Enceladus, one of Saturn's moons, has at least 101 geysers shooting water vapor and ice, according to two new studies. more
NASA hopes to send a robotic mission to Europa, one of Jupiter's moons, in the 2020s. more
NASA's $465 million mission will analyze sunshine for chemical traces of carbon dioxide. more
SpaceX has postponed launching its Falcon 9 rocket until July. more
NASA is considering 2011 MD, an asteroid that passed close to the Earth three years ago, for its mission to place a space rock in orbit around the moon. more
A new study found that extroverts could have a hard time getting along with less talkative crew members on simulated space missions. more
NASA will be studying a pair of twins, one of whom will spend a year in space, to see how the human body reacts to long periods without gravity. more
A nonprofit is planning to send four settlers to Mars in 2024. more
NASA's Rick Mastracchio, Japanese crewmember Koichi Wakata and cosmonaut Mikhail Tyurin have completed six months in space and returned to Earth this week. more
NASA plans to test a disk-shaped spacecraft over the Pacific Ocean this summer in preparation for a Mars mission. more
NASA is looking to send a manned mission to Mars in about 20 years. more
NASA has scheduled a Friday afternoon mission to the International Space Station to bring much-needed computer repair supplies. more
The agency is partnering with Russia on a "case-by-case basis," a spokesman said. more
NASA is looking for proposals for a space mission that would put an asteroid in a fixed orbit around the moon. more
NASA has set aside funding in its budget proposal for a robotic mission to Europa, one of Jupiter's moons. more
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