July 2, 2003
Blistering-hot volcanoes that belch snow. Moons bigger than planets. Icy worlds with vast underground oceans. All of these things can be found in the latest Harry Potter novel. And according to NASA space probes, they're all real. This week you can see them yourself in the evening sky.
Dec. 5, 2003
On Nov. 20, 2003, a modest solar explosion sparked auroras in some unusual places.
Jan. 21, 2003
Dashing out the door to work or school? Pause for a moment and look up. There are two dazzling planets in the morning sky.