The main-belt asteroid (493) Griseldis was probably hit by another object last March. The results were reported on November 12 at the annual meeting of the Division for Planetary Sciences of the American Astronomical Society ...
A test version of ESA's service module for NASA's Orion spacecraft arrived in the US yesterday after leaving its assembly site in Italy last weekend.
New observations made near the south pole of Titan by NASA's Cassini spacecraft add to the evidence that winter comes in like a lion on this moon of Saturn.
The Cassini spacecraft took a daring plunge into the icy geysers of Saturn's moon Enceladus this week in search of telltale signs of a habitable environment.
The grizzled asteroid miner is a stock character in science fiction. Now, a couple of recent events - one legal and the other technological - have brought asteroid mining a step closer to reality.
The International Space Station has taken a power hit, and spacewalking repairs may be needed. First, though, a replacement part must be delivered via rocket.
Spacewalking astronauts encountered leaking ammonia and minor glove damage while performing plumbing work outside the International Space Station on Friday, then fell so far behind that they had to leave a radiator job undone.
NASA's Cassini spacecraft will sample the ocean of Saturn's moon Enceladus on Wednesday, Oct. 28, when it flies through the moon's plume of icy spray.
Thanks to the Cassini mission, a great many things have been learned about the Saturn system in recent years. In addition to information on Saturn's atmosphere, rotation and its beautiful and extensive ring system, many revelations ...