South Korea has postponed its third bid to put a satellite in orbit until next year, after a technical problem forced the cancellation of last week's scheduled launch.
Scientists Thursday announced new evidence that Mercury, the planet orbiting nearest the Sun, hosts massive caches of ice and revealed new information on how water reached our solar system's inner planets.
US astronomers have detected the most powerful blast from a quasar ever recorded, offering the first proof of important theories about why the universe is shaped the way it is.
South Korea held a final dress rehearsal Wednesday for its third attempt to send a satellite into orbit and join an elite space club that includes Asian powers China, Japan and India.
NASA downplayed Wednesday talk of a major discovery by its Martian rover after remarks by the mission chief raised hopes it may have unearthed evidence life once existed on the Red Planet.
Korea is set to go ahead next week with a delayed rocket launch as it aims to join the elite club of nations capable of putting a satellite into orbit.
A Russian cosmonaut and two astronauts from the International Space Station touched down early Monday on the steppes of Kazakhstan in a Russian Soyuz capsule after spending over four months aboard the ISS.
It lasts for barely two minutes, but the chance to witness the eerie spectacle of day turning briefly to night in a solar eclipse has brought thousands of shadow chasers to Australia.
The unmanned SpaceX capsule made a safe splashdown in the Pacific Sunday after successfully delivering its first commercial payload to the International Space Station.
South Korea hopes to launch a satellite into space on Friday in its third attempt to join an elite club that includes Asian powers China, Japan and India.
An international team of amateur and professional astronomers on Monday announced the discovery of a planet whose skies are lit up by four suns -- the first reported case of such a phenomenon.
The US space shuttle Endeavour finally reached its California retirement home Sunday, after taking three days instead of two for its last-ever journey -- 12 miles (19 kilometers) across Los Angeles.
Austrian daredevil Felix Baumgartner became the first man to break the sound barrier in a record-shattering freefall jump from the edge of space Sunday.
An Austrian daredevil hopes to make a new record-breaking attempt Sunday to jump from the edge of space, days after his initial bid was aborted at the last minute due to gusting winds.
The US space shuttle Endeavour is making its final journey, at the less than rocket-propelled speed of two miles an hour, in a meticulously planned and stately trip through the streets of Los Angeles.