May 5, 1999
This morning NASA's Galileo spacecraft zoomed past Jupiter's moon Callisto. The maneuver was designed to bring Galileo closer to Jupiterin preparation for a daring encounter with a volcano on Io.
May 4, 1999
Two NASA scientists developed VISAR, a new imaging technology, to help the FBI with a crime scene video. VISAR eliminates jitter, adjusts for inadvertent zoom, and brightens dark shots. VISAR will soon be available to help anyone improve their home, or professional video.
May 3, 1999
On May 6th debris from Halley's comet will strike Earth's atmosphere and put on a sky show for southern observers. The eta Aquarid meteor display is the first of two upcoming annual showers caused by the famous comet.
April 29, 1999
NASA's Mars Global Surveyor has discovered surprising new evidence of past movement of the Martian crust, suggesting that ancient Mars was a more dynamic, Earth-like planet than it is today.
April 28, 1999
First images, with twice as much detail as previous Landsat satellites, show Florida's panhandle, South Dakota, and a startlingly clear image of a jet contrail and its shadow on the ground.
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.
April 27, 1999
Last week's Lyrid meteor shower was a bit of a disappointment visually, but it put on quite a show for radio observers. In this story you can learn about the basics of radio Meteorsand listen to radar echoes from a bright shooting star.
April 26, 1999
Climate scientists report that urbanization has altered weather patterns over Atlanta, Georgia. Data collected for the last 25 years link deforestation and the use of heat-absorbing materials with oddities such as severe morning weather.
April 23, 1999
The Red Planetmakes its nearest approach to Earth in 1999 during the next two weeks. It's a great opportunity to view Mars through a telescope or simply with the naked eye.
April 21, 1999
The oldest known meteor shower peaks this week on Thursday morning, breaking a 3 month lull in meteor activity.