Planets

Planets

Saturn’s rings created by collision

A shattered moon may have produced Saturn's dazzling rings.

Planets

Fiery Dust from an Icy Comet

Dust samples from a comet contain minerals that form only at high temperatures.

Planets

Storm on Saturn

A spacecraft photographed the most powerful storm ever seen on Saturn.

Planets

Sizing up Pluto’s moon

Pluto's rocky moon Charon appears to lack an atmosphere.

Planets

Evidence of a Wet Mars

An orbiter provides new details about when and where liquid water existed on Mars.

Planets

Pluto’s New Moons

Astronomers have spotted two objects that may be previously unknown moons of Pluto.

Planets

Saturn’s Spongy Moon

Close-up views of Saturn's moon Hyperion reveal a strangely cratered surface that looks spongy.

Planets

An Icy Blob of Fluff

Firing a projectile into a comet has exposed an icy dirtball.

Planets

A Smashing Display

A space probe slams into a comet and sends up a mighty cloud of dust.

Planets

Cousin Earth

Astronomers have found a solid, Earthlike planet just 15 light-years beyond the solar system.

Planets

Chaos Among the Planets

The screwball travels of four giant planets may have reshaped the early solar system.

Planets

Solving a Sedna Mystery

Astronomers are learning more about the most-remote object known in the solar system.