Asteroids
Why Are There Smooth Spots on Eros?
By creating a detailed map of Asteroid 433 Eros, a researcher from Cornell University has helped answer questions about its…
Earth Formed from Melted Asteroids
Many of the Earth's volcanic rocks might have come from melted asteroids, according to researchers from the UK's Open University.…
Podcast: Get Ready for Deep Impact
July 4th is Independence Day In the United States, and Americans typically enjoy their holiday with a few fireworks. But…
Podcast: Homing Beacon for an Asteroid
Asteroids have been roughing up the Earth since it formed 4.6 billion years ago. Hundreds of thousands of potentially devastating…
Asteroid Will Zip Past the Earth in 2029
Near the end of 2004, astronomers found a 320 metre (1000 feet) wide space rock that seemed to have the…
Spitzer Sees an Alien Asteroid Belt
NASA's Spitzer Space Telescope has discovered an enormous asteroid belt orbiting another star, containing 25 times as much material as…
Torino Scale Revised
Astronomers searching for potentially destructive Earth-crossing asteroids have revised the scale they use to communicate the risk of impact to…
Asteroid Created a Rain of Rock
When a 10-km (6-mile), dinosaur-killing asteroid struck the Earth 65 million years ago, it released so much energy that it…
New Theory on Meteor Crater
Scientists are in agreement that a rock from space smashed into the ground in Arizona 50,000 years ago, carving out…
Dawn Will Show How Different Two Asteroids Can Be
It's called Dawn, and in a little more than a year, this spacecraft will blast off from Florida, bound for…