Scientists listen for these noises in order to track dangerous meteors. To everyone's surprise it found the remnants of an even older wall. NASA is organizing an attempt to look for ancient fossils on Mars. They're huge, they're icy and they're evaporating great rolls of steam into the air. Hubble Space Telescope recently got up close and personal with Saturn's Rings and learned some interesting things.
Antimatter sounds like science fiction nonsense, but it's real stuff, that physicists can produce.
Now they're trying to see if it could be the rocket fuel of the future. A diet of Tang and dehydrated ice cream may sound ideal to kids, but its not going to keep astronauts very healthy for very long. But when there's no gravity, it's tough to grow food. Now, the first space potato has been grown. The Sahara conjures up images of a vast, scorching wasteland.