Space
Comet brightens mysteriously by a factor of a million
Comet Holmes, usually too faint to see with the naked eye, has brightened dramatically since Tuesday 鈥� its surface may have cracked open
News
Space
Are mirrors the best way to deflect asteroids?
News
Space
Powerful solar outburst rips off comet’s tail
News
Space
Mysteries remain over Peru meteorite impact
News
Space
Dawn spacecraft launches to study giant asteroids
News
Space
Odd object blurs line between comets and asteroids
News
Earth
Earth’s water brewed at home, not in space
News
Life
Moon’s gentle surface could hide life’s secrets
News
Space
Cosmic ‘baby bouncer’ could tie astronauts to asteroids
News
Life
Discovered: The asteroid that killed off the dinosaurs
The space rock that hit Earth 65 million years ago has been traced to a giant 'mother rock' that gave rise to a family of asteroids
News
Space
World’s biggest digital camera to join asteroid search
News
Space
Jupiter increases risk of comet strike on Earth
News
Space
Introduction: Comets and Asteroids
News
Space
Timeline: Comet and asteroid impacts
News