Opportunity Watches a Sunset on Mars
A new animation built from a series of photos taken by NASA's Opportunity rover shows the Sun dimly setting in…
Wallpaper: Cassini’s Latest View of Saturn
Now only four months away from its encounter with Saturn, NASA's Cassini spacecraft will be delivering weekly postcards as it…
Rovers Losing Power as Mars Heads Towards Winter
The Mars rovers are starting to generate less power these days because Mars is starting to slip into Winter. In…
Winking Star Turns Out to Be a Binary System
Astronomers have spent the last five years trying to explain a strange star called KH 15D, which winks on an…
Opportunity Grinds Away
Having made the drive up to the "El Capitan" region of exposed rock, NASA's Opportunity rover ground away the surface…
Watch the Rosetta Launch Live
The European Space Agency's Rosetta mission is now on the launch pad, and it should be heading up into space…
Getting a Greenhouse to Work on Mars
One key to the long-term exploration of Mars will be figuring out how to get plants to grow there in…
Your Pictures of Venus and the Moon
I asked for pictures, and you sent them in? thanks! In fact, I received dozens of photos of Venus and…
Spirit Could Have Found Salty Brine
NASA's Spirit rover has discovered an unusual patch of sand in a hollow on its journey to the crater "Bonneville".…
Venus and the Moon
I just wanted to give you all another quick reminder that Venus and the Moon will be right beside each…