Science - SPACE.com

The seven astronauts on shuttle Atlantis have bid farewell to the crew of the space station and are gearing up to undock on Wednesday.

A new solar telescope, scheduled to launch this winter, will probe the sun's atmosphere and inner workings, helping scientists better understand how solar storms.

A new website will let people play a form of "cosmic slot machine," matching up images of colliding galaxies with millions of simulated mash-ups to find the best model.

In the entrepreneurial space business, there's nothing like the "cone of silence" surrounding the rocket work of billionaire Jeff Bezos of Amazon.com fame.

The crew of the shuttle Atlantis plans to spend today wrapping up work at the International Space Station (ISS) in preparation for departure tomorrow.

Several lines of evidence point to the possibility of a past ocean on Mars, from apparent ancient shorelines to chemicals in the soil.

BOULDER, Colo. – Call it Operation: Plymouth Rock. A plan to send a crew of astronauts to an asteroid is gaining momentum, both within NASA and industry circles.

Two NASA astronauts completed their mission's third and last spacewalk Monday, installing a new science experiment and an oxygen tank outside the International Space Station.

Massive stars in the process of forming likely rely on magnetic fields to steer gas onto their surfaces and help them grow into adults, according to new images.

Two astronauts, one a proud new dad for the second time, will venture outside the International Space Station Monday on the third and last spacewalk of their mission.

Talk about one proud papa. Astronaut Randy Bresnik beamed with joy Sunday after hearing news of the arrival of his new baby daughter, who was born on Earth while he orbited above on the International Space Station.

A member of the first three-person space crew whose flight was onboard a vehicle he helped design, cosmonaut Konstantin Feoktistov passed away at age 83 on Saturday, according to a statement by the Russian space agency Roscosmos.

Astronauts aboard the linked shuttle Atlantis and International Space Station took some well-deserved time off Sunday to rest up from their mission to stock up the orbiting lab, with one spaceflyer overjoyed after hearing news of the birth of his new baby daughter.

Two astronauts raced through the second spacewalk of their docked shuttle mission at the International Space Station Saturday, getting so far ahead of schedule they took on jobs scheduled for future excursions.

Astronaut Randy Bresnik may be expecting his wife Rebecca to give birth, but that hasn't shaken his focus for a planned spacewalk outside the International Space Station today to install new video antennas and other equipment.

NASA has joined astronaut Randy Bresnik, who is in orbit now, in the waiting game for the birth his daughter, just one day before the spaceflyer is poised to make his first spacewalk.

Astronauts on the linked shuttle Atlantis and International Space Station said Friday that they're not worried about recent false alarms that disrupted their sleep with erroneous reports of calamity.

WASHINGTON - The camera that captured many of the Hubble Space Telescope's most famous images and the "contact lenses" that focused the observatory's flawed mirror debuted Wednesday at the Smithsonian's National Air and Space Museum in Washington, D.C. along with the first phase of a new interactive gallery devoted to humans living and working in space.

NASA's stuck Mars rover Spirit took a tiny step Thursday, its first progress in months, during the latest attempt to extricate the robot from deep Martian sand.