New NASA supercomputer simulations show that Saturn's rings may have been formed by a 'massive collision' of icy moons.

Scientists studying Jupiter’s moon Europa have zeroed in on a strange, spider-like feature etched into the moon’s icy shell, ...

Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark ...

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, ...

The familiar stars of the constellation Orion, the Hunter, will be visible twinkling to the right of Jupiter on the night of ...

Scientists say Earth’s magnetic field may have funneled atmospheric particles to the moon for billions of years. Lunar soil could preserve a record of Earth’s past while providing resources for future ...

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

A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on Earth. Take a look.

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar ...

Regulus, a blue-white star officially designated Alpha Leonis, represents the heart of the Leo constellation. Visible most prominently in late winter and early spring, Leo is easily identified by its ...