Aug. 6, 2008
July 31, 2008
Have you ever stared up at the night sky, felt a gentle breeze, and wished you could set sail for the stars? Get in line. Many great thinkers from history have had the same idea. This long-held fancy could soon become reality with one solar sail mission on the drawing board and another already on the launching pad, slated to blast off this summer.
July 29, 2008
This Friday, August 1st, millions of people in China will witness a well-publicized total eclipse of the sun. Less widely reported is the partial eclipse, which *billions* of people across a quarter of the globe can observe and enjoy.
July 24, 2008
Researchers have discovered what powers brilliant outbursts of Northern Lights: gigantic plasma bullets launched toward Earth by explosions 1/3rd of the way to the Moon.
July 22, 2008
The 2008 Perseid meteor shower peaks during the dark hours before dawn on Tuesday, August 12th, and forecasters say it should be a good show.
July 18, 2008
NASA scientists are using an infra-red sounder in space to improve short-term weather forecasting.
July 11, 2008
The sun is entering its 3rd year of eerie calm. Sunspots are rare and solar flares simply aren't happening. Is this "solar minimum" lasting longer than it should? A NASA scientist has examined centuries of sunspot data to find the answer.
July 9, 2008
Mix moondust with epoxy, add a dash of carbon nanotubes, and spin. The result? A parabolic mirror perfectly suited for a lunar observatory. A NASA scientist has discovered this new recipe for making telescopes out of moondust, and to prove it works he has spun a "moondust mirror" here on Earth.
July 3, 2008
Mercury's magnetic field is "alive." Volcanic vents ring the planet's giant Caloris basin while the planet itself is surrounded by a plasma nebula of unexpected complexity.
July 1, 2008
Look beyond the fireworks on 4th of July weekend. A trio of worlds is converging for a pretty sunset sky show.