A comet impact didn't set off a 1,300-year cold snap that wiped out most life in North America about 12,900 years ago, scientists say. Though no one...
Martian Rivers and Lakes Wednesday, September 23rd, 2009 - Anuradha Menon Giant cracks that crisscross to form polygons have been imaged on the floors of hundreds of Martian impact craters by NASA's...
Hubble Captures Rare Jupiter Collision Tuesday, September 22nd, 2009 - Ehud Rattner Recently, the world's largest telescopes have been aimed towards Jupiter. The reason: observing a new, unexplained expanding...
A barrage of comets may have delivered Earth's oceans around 3.85 billion years ago, a new study suggests. Scientists have long suspected that Earth...
Tunguska Mystery Solved Wednesday, July 8th, 2009 - Anuradha Menon Researchers from Cornell University have confirmed that the mysterious Tunguska explosion was caused by a comet. In 1908...
Abundant tiny particles of diamond dust exist in sediments dating to 12,900 years ago at six North American sites, adding strong evidence for Earth's...
