Comet ISON vanishes as it circles the sun
Comet ISON appears to have flown too close to the surface of the sun Thursday and vanished as it circled the fiery surface, astronomers said.
NASA poised to launch Mars atmosphere probe
What happened to the water on Mars? How did the Red Planet's atmosphere become so thin over time? NASA's MAVEN probe is scheduled to launch Monday on a mission to find out.
Indian Mars mission suffers glitch but 'no setback'
India's Mars spacecraft suffered a brief engine failure Monday as scientists tried to move it into a higher orbit around Earth, but controllers denied any setback to the ambitious low-cost mission.
More than 10,000 feared dead in typhoon-ravaged Philippines
Survivors of a super typhoon that may have killed more than 10,000 people in the Philippines were growing increasingly desperate for aid Monday, as authorities struggled to cope with potentially the country's worst recorded natural disaster.
Russia to take Olympic torch into space
Three new crew members blast off Thursday for the International Space Station (ISS) on a Russian rocket, taking with them the precious cargo of an Olympic torch for the 2014 Winter Games in the Black Sea resort of Sochi.
NASA to probe why Mars lost its atmosphere
NASA said Monday it is on track to launch its Maven probe to Mars next month to find out why the Red Planet lost much of its atmosphere.
Chinese no longer banned from NASA astronomy meet
Six Chinese scientists who were banned from a NASA astronomy conference are now welcome to register, resolving an international row over academic discrimination.
Space 'graveyard' reveals bits of an Earth-like planet
Astronomers have autopsied a distant, broken apart planet and revealed signs of water and a rocky surface together for the first time, delighting scientists on the hunt for alien life.
NASA vows to review ban on Chinese astronomers
The US space agency Thursday vowed to reconsider the applications of Chinese scientists who were denied access to a NASA conference on security grounds.
NASA ban on Chinese scientists 'inaccurate': lawmaker
A controversial decision by NASA to bar Chinese scientists from a conference on exoplanets next month was deemed "inaccurate" Tuesday by the US congressman who wrote the law.
Life on Mars hopes fade after rover findings: study
Hopes of finding life on Mars suffered a setback after new findings from NASA's Curiosity rover detected only trace amounts of methane gas in the Red Planet's atmosphere.
NASA's Voyager first spacecraft to exit solar system
Never before has a human-built spacecraft traveled so far. NASA's Voyager 1 probe has left the solar system and is wandering the galaxy.
NASA launches spacecraft to study Moon atmosphere
NASA launched an unmanned spacecraft Friday that aims to study the Moon's atmosphere, the US space agency's third lunar probe in five years.
Perseid meteoroids to produce great balls of fire
Stargazers will be treated to a spectacular fireball show early next week when Earth hits a belt of comet debris known as the Perseids.
Mars rover hoping to yield more secrets, one year on
The dazzling success of NASA's rover Curiosity has paved the way for a human conquest of Mars, scientists say, almost one year after the groundbreaking probe first touched down on the Red Planet.
NASA finds new moon on Neptune
A tiny new moon has been spotted circling Neptune -- the 14th known to be orbiting the faraway planet.
NASA's next Mars rover will advance hunt for past life
The next robotic rover to explore Mars in 2020 should scour the surface of the red planet more closely than ever for signs of past life.
New technique finetunes quest for life on other worlds
European astronomers said on Friday they had devised a technique to detect water in the atmosphere of planets orbiting other stars.
NASA tests Mars rover prototype in Chile
NASA scientists said Friday they were testing a prototype of a robot the US space agency hopes to send to Mars in 2020 in Chile's Atacama desert.
Warm ocean water melting Antarctic ice from bottom
Warming ocean waters are melting the Antarctic ice shelves from the bottom up, researchers said Thursday in the first comprehensive study of the thick platforms of floating ice.