Aug. 11, 1999
The 1999 Perseid meteor shower peaks on August 12th and 13th under the dark skies of a nearly new moon.
Dec. 22, 1999
Gamma-ray burst located, and viewed by several instruments simultaneously.
Oct. 6, 1999
A NASA satellite has shown that the area of ozone depletion over the Antarctic is still large, but a bit less in 1999 than it was last year.
March 15, 1999
Spacelab, an integral part of science in space from 1982 through 1998, had some remarkable achievements. Scientists met at the National Academy of Sciences last week to present their - and Spacelab's - accomplishments.
Oct. 8, 1999
NASA's Chandra X-ray Observatoryhas imaged Eta Carinae, the Milky Way's most luminous star. This exploding star, which also has been imaged by the Hubble Space Telescope, is huffing and puffing its way to eventual self-destruction.
Dec. 24, 1999
In an exclusive interview with Science@NASA, Santa discusses his plans for Christmas on future space colonies. The prospect of delivering presents throughout the solar system is, well, turning Santa's hair white.
April 28, 1999
Students in the Huntsville, Ala. area used a "ray gun" to measure temperature and launched a weather balloon to measure stratospheric ozone, getting a hands-on experience in how climate scientists monitor changes in our atmosphere.
June 23, 1999
An ingenious new technique for viewing the previously hidden side of the Sun could improve Space Weatherforecasting.
June 8, 1999
When NASA's FUSE spacecraft launches later this month, scientists will gain a new tool to use in the search for the "fossil record" of cosmology.
June 21, 1999
View images of this year's June solstice from both ends of the Earth.