Jan. 17, 2001
Tiny zircon crystals found in ancient stream deposits suggest that Earth harbored continents and liquid water remarkably soon after our planet formed.
April 13, 2001
Biologists always thought life required the Sun's energy, until they found an ecosystem that thrives in complete darkness.
Jan. 4, 2001
This morning at 5 o'clock Eastern Standard time Earth made its annual closest approach to the Sun -- an event astronomers call perihelion.
Jan. 19, 2001
If humans had radio antennas instead of ears, we would hear a remarkable symphony of strange noises coming from our own planet.
Nov. 8, 2001
On Sunday morning, Nov. 18, 2001, sky watchers somewhere will see a dazzling storm of Leonid meteors. Read this story and find out how you can be one of them.
Feb. 14, 2001
Following one of the softest planetary landings ever, ground controllers have decided to extend the NEAR mission and gather unique data from the very surface of asteroid Eros.
Oct. 11, 2001
Three months after it began, an awesome global dust storm on Mars is waning. Two NASA spacecraft have captured dazzling images of the planetary tempest.
June 18, 2001
African dust that crosses the Atlantic Ocean and brings beautiful sunsets to Florida also carries potentially harmful bacteria and fungi, a new study shows.
March 23, 2001
Solar Powercollected in space and beamed to Earth could be an environmentally friendly solution to our planet's growing energy problems.
Dec. 5, 2001
New maps from orbiting sensors that can detect flashes of Lightningeven during the daytime reveal where on Earth the powerful bolts will most likely strike.