New research suggests Earth’s water came from sources other than meteorites, challenging long-standing theories on planetary ...

Exhaust from lunar landers drifts across the moon and contaminates ultra-cold polar craters that are rich in ancient ice and ...

NASA research using Apollo lunar regolith data refines the Moon’s impact record and places limits on meteorite contributions to Earth’s water over geologic time.

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the early Solar System.

Using lunar ice to make rocket fuel could help future lunar settlements sustain themselves and provide a launch pad for astronauts to reach Mars. Water will be an extremely important resource on the ...

New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for ...

A new NASA study using Apollo lunar soil samples challenges a long-held theory. It suggests meteorites were not the primary ...

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

A study has cast doubt on the idea that Jupiter's moon Europa, where NASA has sent a spacecraft, could have conditions to support contemporary life.

If you want to put people back on the moon, don’t gut the agency in charge of getting them there. The senator wanted a promise. A solemn vow. For the last six years—or maybe the last decade or quarter ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: A view of Jupiter's moon Europa created from images taken by NASA's Galileo spacecraft in the late 1990's, according ...

Far from the Sun’s heat, orbiting the outer planets of the solar system, are moons with oceans of liquid water beneath their frozen surfaces. Keith Cooper finds out how planetary scientists are ...