NASA wants to send a life-detecting lander to Europa
It will look for life in the Jovian moon's saltwater ocean.
Some of Earth's oxygen escapes to the moon every month
And it's been going on for more than 2 billion years.
Google announces the five Lunar Xprize finalists
It's been a long journey for these teams.
The moon may have formed from a group of smaller moonlets
A new theory claims Earth debris was blasted into space during a series of impacts.
From Mars to Earth and the Moon, 127 million miles away
A new photo from the Mars Reconnaissance Orbiter should make just about everybody feel like an insignificant speck of dust.
Cassini captures Titan's mysterious clouds on cam
It also took one of the most high-res snapshots of Pandora, another Saturn moon.
Watch the largest supermoon in 68 years
Look to the skies (or stream online) early on November 14th.
Uranus might have two more moons
Data from Voyager 2’s 30-year-old flyby is still serving up discoveries.
Space rocks form more craters on the moon than we expected
We're still discovering new things about our planet's closest pal.