Featured in Technology
Deep Impact to Search for Alien Worlds
A comet-observing spacecraft takes a hiatus to probe the universe for alien planets
The Music of Black Holes
Hearing a black hole's song may be the key to understanding cosmic events
Bad Weather Could Delay Atlantis Launch
After repeated delays blamed on technical issues, today's shuttle launch may be stalled for a decidedly low-tech reason
Iran Launches Explorer-1 Rocket
The country inaugurates its space program with a rocket launch, but many observers fear that more than scientific inquiry is at play
Fly the Eco-Friendly Skies
Environmentalists and everyday air travelers alike are growing increasingly aware of the airline industry's greenhouse-gas problem. As demands for greener air travel grow, will technology come to the rescue of the jumbo jet?
The Buddy System
For astronauts on the ISS, a new robot means fewer risky spacewalks
The Incredible Shrinking Planet
The Messenger probe continues to reveal new information about that first rock from the sun
Hypersonic Revelation
A star speeding through space at 1.6 million miles per hour suggests the first evidence of a massive black hole nearby
Falling Satellite Probably Not a Danger
The NROL-21 USA-193 spy satellite failed almost immediately after launching over a year ago—now it's on its way down