Planets

Planets

Ice on Mercury

MESSENGER spacecraft provides evidence for frozen water on planet closest to sun.

Planets

A diamond planet?

Distant, carbon-rich world could contain one-third its weight in gems that are relatively rare on Earth.

Planets

New planetary neighbor

Nearest star system has a world that's Earthly in size, but too hot for human visitors.

Planets

Curiosity’s watery find

Mars rover finds rocks that show where water once flowed.

Tech

Curiosity lands on Mars!

NASA successfully delivered a $2.5 billion robotic vehicle to Mars, one that will explore for signs that the planet might once have hosted life

Planets

Worlds beyond the solar system

Planet hunters have found hundreds of exoplanets, but none just like Earth.

Planets

Moon twinkles

Flashes of light on the moon’s surface come from cooling, superhot liquid.

Planets

Distant ‘Goldilocks’ world

Planet-hunters find a just-right world outside the solar system.

Planets

Europa’s watery underworld

Jupiter’s smooth, icy moon may hide giant lakes beneath the surface.

Planets

A shock to the solar system

Scientists suspect a nearby exploding star ignited the formation of the sun and planets.

Planets

Ripples in one of Saturn’s rings

Scientists study pattern created by 600-year-old comet crash.

Planets

Double sunsets on a distant world

Astronomers discover for the first time a planet circling two stars.