Mars

The Mars rover Curiosity has been making its first tentative drives on the surface of the Red Planet. Soon, it will make a quarter-mile journey away from…

A rover poised for a Mars landing late Sunday will explore higher and farther than any before. It's loaded down with experiments designed to test the rocks and atmosphere of Mars. Question No. 1: Was there life there?

Scientist Adam Steltzner worries about whether the Mars rover landing equipment he helped design will work. But in his garden, where he approaches things like the engineer he is, he is firmly in charge.

Despite having to endure a broken toilet, lousy food and fifteen days in a cramped research station in the Utah desert, a Boeing engineer says she's still…