Space

Planets

Warm lava on a hot planet

Volcanoes on Venus might be active.

Planets

Faraway planet could support life

A planet 20 light-years away could be the perfect distance from its star.

Planets

Holes in Martian moon mystery

Phobos may be lots of empty space.

Space

Planning for Mars

Obama outlines space program that would take crew beyond the moon.

Planets

Wrong-way planets do gymnastics

A group of planets that orbit the wrong way may have flipped over their stars.

Planets

Mercury’s magnetic twisters

The planet's strange atmosphere may have a lot to do with the sun.

Planets

Cool as a Jupiter

New-found, far-out planet could be similar to local gas giants.

Physics

Small but WISE

A new telescope will scan the entire sky and see (infra)red.

Space

Moon crash, splash

NASA scientists smash a rocket into the moon and discover water vapor and ice in a lunar crater.

Planets

One ring around them all

Introducing the solar system's largest known ring around a planet.

Space

Not bone-dry after all: the moon holds water

New moon studies turn up water on and under the lunar surface.

Space

Galaxies far, far, far away

Images from the Hubble Space Telescope show galaxies that formed when the universe was a child.