The largest dark spot on the moon, known as the Ocean of Storms, may be a scar from a giant cosmic impact
A Russian Soyuz spacecraft carrying a crew of three rocketed into orbit today, kicking off a two-day rendezvous with the International Space Station.
It was an alien storm to dim memories of all others, wrapping all the way around a vast northern portion of Saturn
A second look at data from NASA's Hubble Space Telescope is reanimating the claim that the nearby star Fomalhaut hosts a massive exoplanet
Evidence of planets supporting alien life beyond the solar system will be found within the next 50 years
The annual display comes when Earth crosses the path of debris left by Halley's Comet
Curiosity Mars Rover will analyze the dirt in CheMin, one of two inner mini-laboratories.
Scientists may never know exactly how the moon and Earth were formed some 4.5 billion years ago, but...
NASA will host a media teleconference at noon PDT (3 p.m. EDT) on Thursday, Oct. 18, about the latest status of the Curiosity rover's mission to Mars.
Scientists have found an Earth-sized planet circling a neighbor star just 4 light-years away.
Once upon a time the moon was thought to be dry, dusty, and barren.
Astronomers have found a planet whose skies are illuminated by four different suns - the first known of its type.
Two scientists have extended his equations to show what would happen if faster-than-light travel were possible.
Forget the diamond as big as the Ritz. This one's bigger than planet Earth.
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