NASA engineers are still trying to fix an International Space Station cooling problem and have not yet decided whether spacewalks will be necessary, the US space agency said Monday.
Permanently shadowed craters on the moon or Mercury are one of the most exciting locations to search for water. Because the walls of these craters protect certain spots inside from the rays of the sun, it's quite possible ...
A training exercise designed to showcase the government's ability to recover a space capsule at sea was scrubbed after NASA ran into trouble off the Southern California coast, the space agency said Friday.
A privately-operated unmanned cargo ship built by Orbital Sciences Corporation left the International Space Station on Tuesday after its first successful demonstration mission, NASA said.
SpaceX chalked up another big test flight Wednesday, firing a capsule into the air to try out its new, super-streamlined launch escape system for astronauts.
Three Chinese astronauts on the country's longest manned space mission on Sunday succeeded in manually docking their spacecraft with a module orbiting Earth, state media said.
The future of satellite technology is getting small—about the size of a shoebox, to be exact. These so-called "CubeSats," and other small satellites, are making space exploration cheaper and more accessible: The minuscule ...
SpaceX's unmanned Dragon cargo ship blasted off Tuesday toward the International Space Station, carrying a load of food and supplies for the astronauts living in orbit.
NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) literally 'saw the light' just days before crashing into the lunar farside last Thursday April 17. Skimming just a few kilometers above the moon's surface, ...
Astronauts made a rare, hastily planned spacewalk to fix a serious ammonia leak at the International Space Station, and the U.S. space agency said it appeared the repair was a success.