Challenger disaster remembered

On the anniversary of the Challenger disaster, and one day after the anniversary of the Apollo 1 disaster, NASA is holding ceremonies around the country to pay tribute to astronauts who have died in the line of duty. The crew of the space shuttle ...

NASA's Dawn spacecraft has recently captured the sharpest images ever seen of the Dwarf Planet Ceres, it has been revealed.

(Corrects asteroid's size in 3rd graf.) NASA has discovered a tiny moon 70 meters (230 feet) in diameter circling the asteroid that passed very close to Earth earlier this week, a situation that occurs in just 16 percent of the cases of known ...

NASA's next Earth-observing satellite is ready to launch Thursday (Jan. 29), and it could vastly improve the way scientists monitor droughts around the world. The space agency's Soil Moisture Active Passive satellite (SMAP) is scheduled to launch ...

WASHINGTON, Jan. 28, 2015 /PRNewswire-USNewswire/ -- The Aerospace Safety Advisory Panel (ASAP), an advisory committee that reports to NASA and Congress, has issued its 2014 annual report examining NASA's safety performance over the past year and ...

Astronaut Samantha Cristoforetti, floating side-by-side her two NASA colleagues Terry Virts and Butch Wilmore Wednesday aboard the International Space Station, laughed heartily when asked if she ever gets scared in space. Cristoforetti, an ...

NASA images show Asteroid 2004 BL86 flying past Earth with its own Moon following close

Nasa plans to send drone helicopters to Mars, so that they can fly around the planet's surface and scout it out. The helicopters, which Nasa compares with remote control toy drones, will be able to scope out areas of Mars so that scientists can ...

The Soil Moisture Active Passive mission (SMAP) will provide high resolution, space-based measurements of soil moisture and its state.