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Universe, Sun, Solar System
Sep 27, 2004
A breeze of interstellar helium atoms is blowing through the solar system.
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Solar System
Sep 14, 2004
Beware: Io Dust
Jupiter's moon Io is shooting tiny volcanic bullets at passing spacecraft.
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Earth
Sep 10, 2004
Secrets of a Salty Survivor
A microbe that grows in the Dead Sea is teaching scientists about the art of DNA repair.
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Sun, Solar System
Sep 9, 2004
The morning sky this weekend is sparkling. Wake up early to see Mercury, Venus, Saturn and more.
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Sun, Solar System
Sep 3, 2004
On September 8th, a daylight fireball will streak across the western United States. It's Genesis, returning samples of the Sun to Earth...
Universe
Sep 2, 2004
"Gentlemen, start
your gyros!"
NASA's Gravity Probe B spacecraft has begun its search for a bizarre prediction of Einstein's relativity...
Aug 27, 2004
The Pathway Less Traveled
Altered gravity plays an unexpected role in obesity and weight loss.
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Aug 19, 2004
Have Blood, Will Travel
The radiation astronauts encounter in deep space could put vital blood-making cells in jeopardy...
Aug 16, 2004
There's nothing routine about working in space, as astronaut Mike Fincke found out recently when he did some soldering onboard the...
Universe, Sun, Solar System
Aug 9, 2004
Like bugs streaking down the side window of a moving car, colorful Perseid Earthgrazers could put on a pleasing show after sunset on...