NASA says it has discovered water on the moon, which could help them gain a better understanding about how our solar system was created.

Mars looks pretty weird. (via Waxy)

What's that glowing thing in the sky? Oh, just 150 pounds of urine being dumped from the International Space Station. (via Boing Boing)

A flea on an egg yolk? No, it's a breathtaking photo of the Altantis Space Shuttle passing the sun.

Astronomer Alan Boss of the Carnegie Institution for Science says there could be up to 100 billion Earth-like planets in the Milky Way.

Explore outer space with Microsoft's World Wide Telescope. (via Metafilter)