NASA - Home

There's a problem with your browser or settings.

Your browser or your browser's settings are not supported. To get the best experience possible, please download a compatible browser. If you know your browser is up to date, you should check to ensure that javascript is enabled.

› Learn How

Follow this link to skip to the main content

Introducing nasaimages.org

Search the most comprehensive compilation of NASA's stills, films and videos, created in partnership with Internet Archive. More content, enhanced searches, viewing capabilities and other features still to come. › Start Your Search

THEMIS Satellites Discover What Triggers Eruptions of the Northern Lights

Researchers have discovered that an explosion of magnetic energy a third of the way to the moon powers substorms, sudden brightenings and rapid movements of the aurora borealis. › Read More

NASA Images of Smoke and Fire

A new NASA Web site highlights the latest information about NASA's ongoing efforts to help firefighters battle blazes and help scientists understand the impact of fires and smoke on Earth's climate and ecosystems. › Visit Fire and Smoke Page

NASA Images

Midnight sun on Mars during several days of the mission

Midnight Sun(s)

This panorama mosaic, taken by the Surface Stereo Imager on board NASA's Phoenix Mars Lander, documents the passage of the midnight sun over several...

View Image Gallery

The most comprehensive compilation of NASA stills, film and video, created in partnership with Internet Archive.

Start Your Search

Interactive Features

Climate Time Machine

Look at changes in global conditions over time.
NASA Home and City

Discover how space exploration impacts your daily life.
Sally Ride: First American Woman in Space

Sally Ride became the first American woman in space on June 18, 1983.

View More Interactive Features

NASA's 50th Anniversary

Inspiration, Innovation, Discovery
We celebrate the past and look forward to a new era of exploration.

› NASA's 50th Anniversary Web Site
› Lecture Series | › Future Forums
› NASA History Timeline
› NASA History Office

NASA Spacecraft Shows Diverse, Wet Environments on Ancient Mars

› Read More and Comment

Trench on Mars Ready for Next Sampling by NASA Lander

› Visit Phoenix Section, Share Comments

NASA TV & Video

NASA Calendar

Share Your Opinion

NASA Leadership

Administrator Michael Griffin
› Bio
› Speeches
Deputy Administrator Shana Dale
› Bio
› Speeches
› Blog

Astronaut Garrett Reisman on the space station

Astronaut Garrett Reisman on 'The Colbert Report'

Thursday, 11:30 p.m. EDT on Comedy Central

› Reisman Bio

NASA, USDA Sign Space Station Research Agreement

› Read More, View Photo

Subscribe to NASA Updates

Receive Updates by e-mail

Enter your e-mail address below and hit the "Subscribe" button to select your subscription preferences.

› Receive Updates by RSS

› Follow NASA on twitter.com →