View from space: Curiosity rover’s tire tracks on Mars

Check out this image from the Mars Reconnaissance Orbiter, showing tire tracks on Mars left by the Curiosity rover.

Does dark matter exist in our sun’s neighborhood?

Astronomers have grown convinced over decades that dark matter exists on the large scale of our universe. But what about our neighborhood of space?

Rover Curiosity provides 3-D view of its landing site

Cool 3-D image from Curiosity rover on Mars!

WISE mission finds millions of black holes

"We've got the black holes cornered," said the lead scientist Daniel Stern. "WISE is finding them across the full sky ... "

Curiosity rover on Mars begins its eastbound trek

NASA's Mars rover Curiosity hit the road toward its first destination on Mars, a place called Glenelg, on August 28, its 22nd martian day.

Billions of rocky planets in our galaxy>

Astronomers have found evidence that billions of rocky planets might orbit the habitable zones around red dwarf stars in our Milky Way.

Curiosity will make a detour to first destination

The Curiosity rover will first travel 400 meters east-southeast of its landing site to Glenelg, where three types of Martian terrain intersect.

A lonely galactic island

DDO 190 is a dwarf irregular galaxy, lying some 3 million light-years from any other galaxy in space. It's a lonely galactic island on a sea of empty space.

Curiosity rover’s self-portrait on Mars

Have you seen the Mars rover Curiosity's self-portrait yet? It's amazing.

Galaxies: Are they different from each other?

Meet 9 individual galaxies, as various as snowflakes, and contemplate the variety of the billions of galaxies in our universe.