Astrophoto: Straight Moon wall by Fergal Murphy
Fergal Murphy took this picture of a straight Moon wall on 28th April 2004 from his backyard in Sandyford, Dublin,…
NASA Celebrates Discovery’s Return
With Discovery's return to flight complete, NASA is counting up the accomplishments for this shuttle mission: 14 days in space,…
What Does the Milky Way Look Like?
Since we're inside the Milky Way, it's impossible for us to see what our whole galaxy looks like. But we…
Mars Reconnaissance Orbiter Ready for Thursday Launch
After a one-day delay, NASA's Mars Reconnaissance Orbiter is ready for launch on Thursday, August 11. The first launch window…
Tiny Epimetheus Outside the Rings
Saturn's small moon Epimetheus is seen here just beneath the planet's ring plane. The bright, knotted core of Saturn's F…
Delays for the Earth’s Oxygen Atmosphere
Our planet gained its nice, oxygen-rich atmosphere about 2.4 billion years ago thanks to early bacteria. One question that has…
Heavy Bombardments Make the Best Homes… for Microbes
The Earth suffered a period of heavy bombardment in its early days when the Solar System was swarming with asteroids.…
10th Planet Controversy
José Luis Ortiz had no idea that his announcement on July 29th of the discovery of a big Trans-Neptunian Object…
Book Review: Defining NASA
One person can harvest a field, many people can move a mountain. This is the power of community. The challenge…
Discovery Lands Safely at Edwards
The space shuttle Discovery returned safely back to Earth this morning, landing at Edwards Air Force Base at 1211 UTC…