Jan. 23, 2001
If layered regions on Mars are sedimentary deposits that formed underwater, as some scientists suspect, they could be the best places to hunt for elusive Martian fossils.
Feb. 28, 2001
Curious chains of magnetic crystals have turned up in a meteorite from Mars. Scientists say ancient martian microbes may have kept them in line.
Sept. 21, 2001
Bubbly, frothing and ticklish -- soft drinks and beer promise a welcome taste of home to faraway space travelers.
March 21, 2001
The International Space Station's thermal control systems maintain a delicate balance between the deep-freeze of space and the Sun's blazing heat.
Feb. 7, 2001
The worst of the recent fuel spill in the Galapagos has passed ... or has it? Researchers plan to use NASA satellite data to keep an eye on the islands' unique ecosystem.
Jan. 26, 2001
A hardy microbe from Earth that thrives where others perish might one day transform the barren ground of Mars into arable soil.
Feb. 23, 2001
Yes, there really is a Moon hoax, but the prankster isn't NASA. Moon rocks and common sense prove Apollo Astronautsreally did visit the Moon.
Feb. 20, 2001
This is a good time to keep an eye on the fiery second planet from the Sun as it approaches Earth and delivers a dazzling sky show.
March 1, 2001
NASA researchers are studying insects and birds, and using smart materials with uncanny properties to develop mindboggling new aircraft designs.
Jan. 12, 2001
Astronomers have long thought that supernovas are the source of cosmic rays, but there's a troubling discrepancy between theory and data. A balloon flight could shed new light on the mystery.