NASA Space Shuttle Atlantis Rollout : 1996

Mars Guide Video: Light-Toned Layers in Tithonium Chasma | NASA

Mars Guide: Light-Toned Layers in Tithonium Chasma | NASA

Rosetta Comet's Moment in the Sun | European Space Agency

Why NASA Helped Ridley Scott Create ‘The Martian’ Film

Life Under Stars in India

Danish Astronaut Andreas Mogensen: Biography & Training | ESA

The Andes Mountains, South America | International Space Station

Giant Galaxy Cluster Bends, Breaks Images

Sunspot Hunting in Zimbabwe

Purple Moonlight Majesties | International Space Station

Little Joe on Launcher at Wallops Island: 1959

Remembering NASA's Apollo Prime Crew: 1966

Pacific Island Earth Jewel | International Space Station

Moon, Venus, Jupiter and The Salt Factory in Italy

The Earth Meets Michelangelo | International Space Station

Europe & The Black Sea | International Space Station

Mighty Saturn | NASA Cassini Mission

From Libya to Kazakhstan | International Space Station

NASA Apollo 15 Hammer-Feather Drop on The Moon

Good Morning, USA! | International Space Station

Mars Guide Video: Seasonal Flows in Valles Marineris | NASA MRO

Mars Guide: Seasonal Flows in Valles Marineris | NASA MRO

Meteor Storm at Mount Shasta!

Spain & Portugal | International Space Station

Mid-August Southern Lights! | International Space Station | This is absolutely breathtaking! [MUST WATCH] Full Screen HD

Earth Geography Lessons | International Space Station

"The International Space Station From My Backyard!"

Solar Prominence

What are Asteroids Made of? | NASA's OSIRIS-REx Mission

Flying over The Nile River, Egypt | International Space Station

Somewhere over The Atlantic Ocean... | International Space Station

Amazon River West of Brazil | International Space Station

NASA's first Native American astronaut, John Herrington, makes stop in Rapid City, South Dakota [VIDEO]

Inside NASA's Kennedy Space Center | Week of Aug. 21, 2015

Japanese Cargo Ship Launches to ISS on This Week @NASA

Comet 67P NavCam View | August 16, 2015 | ESA Rosetta Mission

The Sun: 'Eiffel Tower' Plume [VIDEO] | NASA SDO

Oklahoma City, Oklahoma, USA | International Space Station

The Sun: 'Eiffel Tower' Plume | NASA Solar Dynamics Observatory

Ariane 5 Launch Poster 2: Flight VA225 | Arianespace

Ariane 5 Launch Poster 1: Flight VA225 | Arianespace

Meet Skylab: America's First Space Station | Vintage Space

Ariane 5 liftoff on Flight VA225 | Arianespace

Soyuz check | European Space Agency

Asteroids vs. Comets! | NASA's OSIRIS-REx Mission

NASA's Space to Ground: HTV-5 Launch | Week of 8/21/2015

Chasing Ice in Greenland | European Space Agency

Pacific Coral Reefs: Orbital view | International Space Station

Aurora Light Painting in Michigan

Dust Storm off Western Sahara: View 2 | NASA Terra Satellite

Dust Storm off Western Sahara: View 1 | NASA Terra Satellite

Tianjin, China Explosion & Fires: Smoke over Bohai Sea | V2 | NASA

Tianjin, China Explosion & Fires: Smoke over Bohai Sea | V1 | NASA

NASA Mars Curiosity Rover View: Sol 1078 | NASA JPL

Typhoon Goni | International Space Station

Glowing Maine Coast

Earth: By The Light of The Moon | International Space Station

Turn

Aurora Australis and The Galaxy

Aurora Australis: The Southern Lights in New Zealand | View 2

Aurora Australis: The Southern Lights in New Zealand | View 1

Liftoff of Arianespace’s Ariane 5 with EUTELSAT 8 West B and Intelsat 34

50 Years of Mars Exploration! | NASA

Departing Saturn's Moon Dione | NASA Cassini Mission Cassini Spacecraft's Final Breathtaking Close Views of Dione

Saturn's Moon Dione: Craters & Rings | NASA Cassini Mission Cassini Spacecraft's Final Breathtaking Close Views of Dione

Saturn's Moon Dione with Rings & Shadows | NASA Cassini Mission Cassini Spacecraft's Final Breathtaking Close Views of Dione

Imminent Approach to Saturn's Moon Dione | NASA Cassini Mission Cassini Spacecraft's Final Breathtaking Close Views of Dione

Corrective Surgery on NASA Robonaut | International Space Station

Spacesuit Party: A Still Life Portrait | International Space Station

Earth Land & Ocean Temperature Percentiles for July 2015 | NOAA

Earth Climate Anomalies and Events of July 2015 | NOAA

Wildfires in U.S. Pacific Northwest | International Space Station

Fires in the Pacific Northwest: View 2 | NASA Aqua Satellite

Fires in the Pacific Northwest: View 1 | NASA Aqua Satellite

Wildfires in U.S. Pacific Northwest: V5 | International Space Station

The State of California is Missing a Year's Worth of Rain! | NASA

Wildfires in California | Suomi NPP Satellite | NASA-NOAA

Wildfires in U.S. Pacific Northwest: V3 | International Space Station

Wildfires in U.S. Pacific Northwest: V2 | International Space Station

Wildfires in U.S. Pacific Northwest: V1 | International Space Station

NASA Mars Curiosity Rover Low-Angle Self-Portrait at 'Buckskin' Drilling Site on Mount Sharp

Free Colorful Calendar Celebrates 12th Birthday of NASA's Spitzer!

French European Space Agency Astronauts

Tethys Moon and Saturn's Rings Edge-on | NASA Cassini Mission

Perth, Australia | International Space Station

Perseid Meteor Pierces Milky Way in Germany

Comic-Con: Journey to Mars and The Martian | NASA

Comic-Con: Turning Science Fiction Into Science Fact | NASA

Proton Arc

Nebula M27

Aurora in Svalbard, Norway

Ophir Chasma: View 2 | India's Mars Orbiter Mission | ISRO

Ophir Chasma: View 1 | India's Mars Orbiter Mission | ISRO

Earth & Moon United | International Space Station

NASA Insight Mission to Mars Boarding Pass! Get yours here until Sept. 8, 2015: go.nasa.gov/1NI68Eq

NASA Mars Curiosity Rover Mastcam 3D View: Sol 1073

NASA Mars Curiosity Rover Mastcam View: Sol 1073

NASA Mars Curiosity Rover: The Undercarriage Perspective

Saturn's Moon Tethys | NASA Cassini Mission

Earth & Moon United | International Space Station

Animated Montana Aurora: Glacier National Park

Earth Tones | International Space Station

Happy World Photography Day! | International Space Station

Jessica Chastain & Tracy Caldwell Dyson on Space Exploration

The Martian | Official Trailer HD | 20th Century Fox

NASA Mars Rover Moves Onward After 'Marias Pass' Studies | JPL

A Red Chair, The Cabot Trail & The Milky Way

Nine Real NASA Technologies in 'The Martian'

U.S. Actor Matt Damon at NASA’s Mars Mission Control Center

Front Row

The Caspian Sea | International Space Station

The Nile River, Egypt | International Space Station

Lakes on a Glacier in Greenland | NASA Goddard

NASA Celebrates Aviation Day!

Bright Star Cluster IC 4651: Wide-field view

Panning over Star Cluster IC 4651

Zooming in on Star Cluster IC 4651

The rich star cluster IC 4651

Typhoon Atsani | International Space Station

Cosmic Fire at Concordia Station, Antarctica | ESA

Preparing NASA's Mars InSight Spacecraft for Vibration Test

NASA's Mars InSight Lander Aeroshell Coming Together

NASA's Mars InSight Lander in Spacecraft's Back Shell

Send Your Name to Mars on NASA's Next Red Planet Mission!

Earth at Dusk | International Space Station

ISS Expedition 45/Visiting Crew Departs for Kazakh Launch Site

Kimiya's Superman Pose! | International Space Station

"Dreaming of Another Comet Hale-Bopp?"

"It's our world!" | Earth Art | International Space Station

The Sun Strikes Gold | International Space Station

Montreal, Quebec, Canada | International Space Station

Aurora Borealis & Proton Arc in Washington State: View 3

Aurora Borealis & Proton Arc in Washington State: View 2

Aurora Borealis & Proton Arc in Washington State: View 1

Summer Aurora in Alberta, Canada

NASA Mars Curiosity Rover Wheel Closeup | NASA JPL

Meteor & Milky Way

Proton Arc and Aurora in Banff, Alberta, Canada

NASA Space Shuttle Columbia Hitches Ride on 747 Carrier Aircraft

Watch Neil Armstrong Narrate Historic 1969 U.S. Moon Landing!

Perseid Meteors in Skies over NASA's Marshall Space Flight Center

Sprites & Trolls at The Edge of Space: View 4 | NASA

Sprites & Trolls at The Edge of Space: View 3 | NASA

Sprites & Trolls at The Edge of Space: View 2 | NASA

Sprites & Trolls at The Edge of Space: View 1 | NASA

NASA’s Pegasus Barge Ready to Set Sail for Space Launch System

The Sun: The Earth Painter | International Space Station

Amazing Earth Art | International Space Station

A Cosmic Rainbow

A cosmic couple | Hubble Space Telescope

Chasms on Saturn's Moon Dione | NASA Cassini Mission

Aurora Australis over Himatangi Beach, New Zealand

"The Milky Way over Chinese Village"

The Snows of Mount Kilimanjaro | International Space Station

Final Flyby of Saturn's Icy Moon, Dione | NASA Cassini Spacecraft

Aurora Encore | International Space Station

Kjell: "Uhhhh, wow." | International Space Station

Antares, Saturn and beautiful auroras! | International Space Station

The Milky Way over Mount Everest

Japanese module "Kibo" and Stars | International Space Station

African Desert Burns Bright | International Space Station

The Crab Nebula | Hubble Space Telescope

Mars Guide Video: Ridge and Talus in Lycus Sulci | NASA JPL

Mars Guide: Ridge and Talus in Lycus Sulci | NASA JPL

Active Aurora | International Space Station

Running Sunrise! | International Space Station

Inside NASA's Kennedy Space Center! | Week of Aug. 14, 2015

Perseid Meteors, Iridium Flares & The International Space Station!

Carl Sagan's Perspectives

Stargazing! | International Space Station

NASA New Horizons Pluto Flyby

A Golden Arch on The Sun | NASA's Solar Dynamics Observatory

Colorful Veil Over Earth | International Space Station

NGC 2451 and NGC 2477 in Puppis

The Bubble Nebula and M52

Exoplanet 51 Eridani b in near infrared | Gemini Observatory

NASA Scientists Help Understand Newly Discovered Planet

"Golden Child" | International Space Station

Smoke and Fire: Rocket-engine ablaze on This Week @NASA

Space Shuttle Endeavour's Last Trip to International Space Station

Perfectly Patagonia | South America | International Space Station

Aurora Australis at Concordia Station, Antarctica | ESA

NASA Awards Grants for Technologies That Could Transform Space Exploration

Welding Preparations for Orion Spacecraft at Michoud Assembly Facility | NASA

Apollo desert survival training: 1967 | NASA

Why Space Matters | International Space Station

Scott & Kimiya Study Effects of Microgravity on Human Vision | ISS

Scott & Kjell Tasting Space Lettuce! | International Space Station

Hello New York and New Jersey! | International Space Station

Perseid Meteor Shower in Alberta, Canada: August 12, 2015

NASA's Space to Ground: Space Veggie! | Week of 8/14/2015

The stroke of dark | International Space Station

Rosetta Comet around perihelion | European Space Agency

Rosetta Mission's Day in The Sun! | ESA Hangout

Approaching perihelion | ESA Rosetta Comet Mission

Young, Jupiter-like planet 51 Eridani b discovered by Gemini Planet Imager | CBC News

RS-25 - The Ferrari of Rocket Engines | NASA Space Launch System

Secretary of the Air Force Deborah Lee James walks to a U-2 | USAF

Countdown to Deep Space! | NASA’s Space Launch System

Ships in Suez Canal, Egypt | International Space Station

Astronaut Mark Lee Tetherless and Free in 1994: View 2 | NASA

Astronaut Mark Lee Tetherless and Free in 1994: View 1 | NASA

RS-25 Rocket Engines: Meeting the Need for Speed! | NASA SLS

Preparing America for Deep Space Exploration: Constructing the Future! | Episode 10 | NASA SLS

Perseid Meteor Shower in West Virginia: View 2 | NASA

Perseid Meteor Shower in West Virginia: View 1 | NASA

Perseid Meteor Shower over Washington, DC | NASA

Crescent Europa | NASA Voyager 2 Spacecraft

Boulder flying by Rosetta comet! | European Space Agency

Rosetta's big day in the Sun! | ESA Rosetta Comet Mission

The organic comet | ESA Rosetta Mission

Testing the Most Powerful Engine | NASA’s Space Launch System

Perseid Meteors in Norway!

Perseid Meteors and Aurora in Denmark!

Moonless Meteors and The Milky Way

Aurora, Bright Perseid Meteor and Noctilucent Clouds in Sweden!

Do You Know About Perseids? | NASA

Darkness Falls. Perseids Can Shine. | International Space Station

Meteor and Aurora in Iceland

Geminid Meteor Shower

Perseid Meteor in Pennsylvania, USA on August 12, 2015

Perseid Meteor Shower in Alberta, Canada: View 2

Perseid Meteor Shower in Alberta, Canada: View 1

New Century Global Center, Chengdu, China | Earth | Satellite

NASA launches student experiments from Wallops! | August 12, 2015

Tousside Volcano, Chad, Africa | International Space Station

Crazy Engineering: Gecko Gripper! | NASA JPL

Peaceful Earth & Milky Way | International Space Station

Kjell's View of Earth & The Milky Way | International Space Station

Space Weather Forecast: Direct view | International Space Station | Scott: "Moonless with a chance of Perseid meteors!"

Space Weather Forecast | International Space Station | Scott: "Moonless with a chance of Perseid meteors!"

NASA Space Shuttle Enterprise 1st Free Flight: August 12, 1977

NASA Shuttle Enterprise First Free Flight: August 12, 1977

Don’t miss tonight’s Perseids Meteor Shower! Get outside & look up! Live coverage on NASA TV!

Don’t miss tonight’s #Perseids #MeteorShower! Get outside & look up! Live coverage on NASA TV: http://t.co/NcxlG7aQ2j pic.twitter.com/Uf4fXMBPx8

— NASA (@NASA) August 12, 2015

Meteor Moment: How to Watch the Perseid Meteor Shower | NASA

Watch Five NASA SLS Rocket Engine Tests in Two Minutes!

The How & Why of RS-25 Testing | NASA Space Launch System

What is the RS-25 Engine? | NASA Space Launch System (SLS)

Lettuce for a 'simulated' cheeseburger | International Space Station

The Himalayas | International Space Station

Dust Storm over Southern Egypt: View 2 | NASA Terra Satellite

Dust Storm over Southern Egypt: View 1 | NASA Terra Satellite

Tonight's Sky: August 2015 | HubbleSite

NASA Smallsat Programs Open Out-of-this-World Research Opportunities!

Unbridled: Young Women Taking Flight | NASA Kentucky

A conversation with Scott & Mikhail | International Space Station

Hometown of U.S. Astronaut Scott Kelly: West Orange, NJ | ISS

Supermassive Black Hole RGG 118: Artist Illustration

Smallest Supermassive Black Hole Ever Detected in Center of a Galaxy Discovered [VIDEO] | NASA’s Chandra X-ray Observatory

Smallest Supermassive Black Hole Ever Detected in Center of a Galaxy Discovered | Provides Clues to Black Hole Growth | NASA

Tropical Depression Molave Spinning Down | NASA Terra Satellite

Lightly thru space: ESA’s Cebreros Deep Space Tracking Station

NASA TV to Host Perseid Meteor Shower Program!

NASA ScienceCasts: A Good Year for Perseid Meteors!

JAXA Astronaut Kimiya Yui talks to Japanese media | ISS

Kimiya Enjoying Fresh Lettuce! | International Space Station

Earth: "You're looking colorful today." | International Space Station

Outburst in action on Rosetta Comet | European Space Agency

Star Guitar!

Before Sunrise | International Space Station

A Blue Moon Halo over Antarctica

NASA Astronaut Scott Kelly: "Day 137. Our galactic home. The Milky Way. Goodnight from Space Station!" | International Space Station

Day 137. Our galactic home #MilkyWay. Good night from @space_station! #YearInSpace https://t.co/4Tt4HwCJ8K

— Scott Kelly (@StationCDRKelly) August 12, 2015

One Decade after Launch, NASA Mars Reconnaissance Orbiter Still Going Strong

Could Jupiter’s Moon Europa Have an Ocean? | NASA JPL

Earth Looks Like Mars! | International Space Station

Russian cosmonauts conduct spacewalk outside ISS | NASA TV

Veggies in Space: ISS Astronauts Sample Freshly Grown Lettuce!

A 'mess' of stars: Spiral Galaxy NGC 428 | Hubble Space Telescope

Western United States at Night | International Space Station

Sequoian Highway to Andromeda

Saturn: Darkness Descending | NASA Cassini Mission

Good Morning, Western USA! | International Space Station

The Milky Way | International Space Station

The Milky Way: Direct View | International Space Station

Pre-Salad Selfie for Space Station Lettuce | NASA

Blue Earth Mondays | International Space Station

Cappuccino swirls at Mars’ South Pole | ESA Mars Express

Clouds over the North Pole of Mars | ESA Mars Express

Fragile Oasis: Earth's Thin Atmosphere | International Space Station

"!" | International Space Station

Mars 3D: Dunes in Nili Patera | NASA JPL

Mars 3D: Layered Deposits Near the North Pole | NASA JPL

Mars 3D: Mound in Chryse Planitia | NASA JPL

Tall Mountain on Dwarf Planet Ceres: Enhanced View | NASA Dawn

Coloring the Universe: Part 2 | NASA Chandra X-ray Observatory

Coloring the Universe: Part 1 | NASA Chandra X-ray Observatory

Standing Up in The Milky Way

Solar Prominence: Size Comparison with Jupiter & Earth

Sunspot Group 2396 and Solar Prominence

Earth Islands from Space | International Space Station

Reaching for New Worlds: First The Moon, Then Mars!

China's Green Mountains | International Space Station

Titan before Saturn | NASA Cassini Mission

Greece at Night | International Space Station

NASA's Chandra X-ray Observatory 16th Anniversary Video Tribute!

Tour of Pulsar PSR B1259-63/LS 2883 | NASA's Chandra | HD Video

Pluto: Then & Now | Hubble View (2010) vs. New Horizons (2015)

Saturn's Moons Titan, Dione & Prometheus | NASA Cassini Mission

NASA Space Shuttle Discovery Launch: August 7, 1997

NASA Apollo 17 Astronaut Training: August 8, 1972

NASA New Horizons Poster | The Planetary Society

The Next Era of Aviation: Unmanned Aircraft Systems Traffic Management Convention | NASA Ames Research Center

Earth's "force field": Our Atmosphere | International Space Station

Our Sun: The Last 48 Hours | NASA's Solar Dynamics Observatory

Central Egypt | International Space Station

New NASA Robot Spins A Web of Carbon Fibers to Make Large Rocket Parts!

NASA Astronauts Scott & Kjell Discuss Life in Space with Ohio Students

JAXA Astronaut Kimiya Yui Discusses Life in Space with Japanese Students