Space

Planets

A planet from the early universe

Astronomers have found the oldest and most distant planet known in the universe.

Planets

Melting Snow on Mars

Melting blankets of snow may have carved out Martian gullies.

Space

Zooming In on the Wild Sun

A close look at the sun reveals a chaotic, ever-changing surface.

Space

Phantom Energy and the Big Rip

Weird stuff called dark energy could push the universe toward a runaway expansion and ultimate demise about 21 billion years from now.

Planets

A planet’s slim-fast plan

A planet orbiting very close to its sun can quickly lose weight.

Space

A galaxy far, far, far away

Astronomers have glimpsed some of the most distant galaxies yet found.

Space

Black holes that burp

Some black holes in outer space may actually spit out as much material as they suck in.