March 29, 2002
Some bacteria riding on the Space Shuttleproduce more antibiotics than they do on Earth. Researchers aren't sure why ... but they aim to find out.
March 27, 2002
Researchers have trapped a laser pulse inside a glass chamber --and released it again intact. Such command of light could lead to mind-boggling new technologies.
March 25, 2002
Astronautsreturning to Earth sometimes feel light-headed. It's been a problem since the earliest days of human space exploration, but now doctors may have a solution.
March 22, 2002
For the first time, radar satellites have mapped Antarctica, revealing a continent whose frozen cloak is in constant (and surprising) motion.
March 20, 2002
Scientists have created a new kind of matter: It comes in waves and bridges the gap between the everyday world of humans and the micro-domain of quantum physics.
March 18, 2002
Playing catch looks easy, but there's more to it than meets the eye. A ball-catching experiment in space has revealed that human brains have a built-in model of gravity.
March 14, 2002
NASA's GRACE mission will reveal some of what lies hidden beneath the surface of Earth's oceans by measuring tiny changes in gravity.
March 12, 2002
Today The Red Planetis dry and barren, but what about tomorrow? New data suggest that the long story of Water on Marsisn't over yet.
March 7, 2002
Astronomers using the Chandra X-ray Observatoryhave spotted a mysterious pulsing x-ray beacon near the north pole of the giant planet.
March 5, 2002
A massive swell of warm water is buffeting South America. Is it the first sign of a new El Nino -- or just another "Kelvin wave?"