Space shuttle Discovery's engines ignited at 6:21 a.m. EDT Monday, April 5, for liftoff of the…
Category: NASA Image of the Day
Playing Forward
Edwin P. Hubble--famed astronomer--and basketball star? In fact, Dr. Hubble was both. The University of Chicago…
Llullaillaco Volcano
The summit of South America’s Llullaillaco Volcano has an elevation of 22,110 feet above sea level,…
A Subtle Difference
Subtle color differences on Saturn's moon Mimas are apparent in this false-color view of Herschel Crater…
Expedition 23 Soyuz Rollout
The Soyuz TMA-18 spacecraft arrived by train to the launch pad at the Baikonur Cosmodrome, Kazakhstan,…
Ashes to Ashes, Dust to Dust
This new composite image from NASA's Chandra X-ray Observatory and Spitzer Space Telescope shows the dusty…
NASA’s First Class of Female Astronauts
From left to right are Shannon W. Lucid, Margaret Rhea Seddon, Kathryn D. Sullivan, Judith A.…
Preparing Discovery for Flight
A specialized transporter brought the payload canister to Launch Pad 39A in preparation for the STS-131…
Learning Can Be a ‘Drag’
When Ajay Ramesh and Prithvi Aiyaswamy, two seventh graders from Chaboya Middle School, San Jose, Calif.,…