April 9, 2009
NASA's twin STEREO probes are entering a mysterious region of space to look for remains of an ancient planet which once orbited the Sun not far from Earth. If they find anything, it could solve a major puzzle--the origin of the Moon.
April 8, 2009
1960s technology worked for the Apollo program, but next-generation lunar explorers are going to need an upgrade. NASA's Exploration Technology Development Program is working on new and improved tools for NASA's return to the Moon.
April 3, 2009
By coating the countryside with gritty, abrasive, electrostatically-charged volcanic ash, Mt. Redoubt is giving Alaskans an unexpected taste of what it's like to live on the Moon.
April 1, 2009
How low can it go? The Sun is plunging into the deepest solar minimum in nearly a century.
March 26, 2009
Back in 2004, most experts would have said this story is impossible. No rover could possibly survive long enough on Mars for a five-year update. Yet here it is. Mission scientists reveal what Spirit and Opportunity are up to on The Red Planettoday--and what their prospects are for the future.
March 20, 2009
On March 19th, Astronautsonboard the International Space Stationchecked themselves for microbes before stepping outside on a space walk. It was a first-ever test of planetary protection technology that, one day, could keep humans from contaminating the sands of Mars.
March 17, 2009
Space ShuttleDiscovery launched Sunday, March 15th, on a construction mission to the International Space Station. Perfect timing for sky watchers! The mission coincides with a series of ISS flybys over North American towns and cities. People who go outside after sunset can see the shuttle-station combo with their naked eyes and view the changing outlines of the ISS through backyard telescopes.
March 13, 2009
NASA and U.S. Air Force test pilots have just dropped a 50,000-pound "dummy" rocket booster on the Arizona desert--and stopped it before it crashed. It's all part of NASA's plan to return to the Moon.
March 6, 2009
In a night launch of stunning beauty, NASA's Kepler spacecraft lifted off from Cape Canaveral on Friday night, March 6th, on a mission to find Earth-like planets circling other stars.
Feb. 26, 2009
The crescent Moon and Venus are converging for a conjunction of rare beauty on Friday evening, Feb. 27th.