08/07/2005

Beware the Mars Hoax

by Dr. Tony Phillips Earth and Mars are converging for a close encounter--but not as close as some people think There's a rumor going around. You might have heard it at a 4th of July BBQ or family get-together. More likely ...

NASA Satellites Measure and Monitor Sea Level

For the first time, researchers have the tools and expertise to understand the rate at which sea level is changing and the mechanisms that drive that change. Sea levels rise and fall as oceans warm and cool and as ice on ...

The Barnard's Star Blunder

These days, it is generally accepted within the scientific community that there are planets orbiting nearby stars. In the past decade, more than 130 such extrasolar planets have been discovered. But the first such "discovery," ...

Sun-Powered Aircraft To Support Sustainable Development

Swiss adventurer Bertrand Piccard is constructing a solar-powered plane to fly around the world. His aim is to support sustainable development by demonstrating what renewable energy and new technologies can achieve.

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