Dec. 10, 1999
Scientists have uncovered a microbial world hidden deep beneath the frozen Antarctic ice that could help them learn more about how life can survive under extreme conditions on other planets or moons.
Jan. 14, 1999
Capillary optics promise a range of applications, from aiding our understanding of mysterious violent explosions in the cosmos, to helping with early tumor detection in people.
Oct. 1, 1999
With the advent of northern autumn, the dark morning sky is a sparkling showcase of bright planets and stars. Early October offers a special treat featuring the slender crescent Moon, brilliant Venus and blue-white Regulus.
Feb. 5, 1999
Aerogel will take its next ride into space on Stardust, launching this weekend. With aerogel, scientists hope to capture dust samples from comet Wild and return them to Earth. However, aerogel has many more applications, from super insulation to computing.
Dec. 29, 1999
Using a team of three satellites, scientists are studying what happens when a solar coronal mass ejection strikes the Earth. This story includes a new Quicktime animation of a coronal mass ejection and the aurora borealis.
Nov. 1, 1999
NASA scientists and ham radio amateurs are teaming up for a weather balloon flight to the stratosphere during the Leonid meteor shower on November 18, 1999. The balloon will transmit a live webcast of the shower from an altitude of 100,000 ft or more, far above any bad weather or obscuring clouds.
June 22, 1999
Read a charming, first-hand account of the meteor shower that marked the discovery of the Leonids and created a new branch of astronomy.
Aug. 4, 1999
As the eclipse turns day into night over Europe on August 11, radio transmissions from near the path of totality may spread across the globe, due to ionospheric changes caused by the Moon's shadow. As a result, ham radio operators around the world can track the August 11, 1999 total solar eclipse by monitoring changes in atmospheric radio propagation.
June 16, 1999
3D Lightningimaging; Hurricanes suppress lightning; Getting up close and personal with a tornado.
Dec. 3, 1999
Polar Lander is scheduled to land shortly after noon Pacific time on Friday, December 3.