SpaceX launched twin satellites for NASA Wednesday that will study how the electrically-charged solar wind interacts with Earth's magnetic field, creating constantly changing and occasionally ...

It was likely debris from Kosmos 482 — a Soviet spacecraft launched in 1972 as part of a mission to Venus. The launch failed. The probe never made it to its ...

Add Yahoo as a preferred source to see more of our stories on Google. For nearly five decades, NASA's twin Voyager probes have plumbed the cosmos in search of answers to some of astronomy's most ...

This is the story of Beagle 2, a plucky Mars probe that everyone thought failed at the last minute. But the story is a lot more complicated ...

In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, where he introduced the concept of the "universal constructor." The theory ...

Since the 1950s, humanity has been searching for extraterrestrial life with increasingly sophisticated tools. But after decades of space probes, meteorite analysis, radio telescopes, and UFO ...