Looking ahead to the future, there is no reason why such a freeze shouldn't happen again -- and in ironic fashion it could be precipitated if ongoing changes in climate force the Greenland ice sheet to suddenly melt, scientists say.

He may be best known for his mellifluous tones and gentle manner, but for one group of botanists Sir David Attenborough clearly conjures up different associations. Explorers who discovered a new species of giant rodent-eating carnivorous plant

The excavation began in early June and the finds brought to light so far, mainly stone tools of a high quality, are from the Epipaleolithic Period approximately 14,000 years ago. The finds indicate a settlement of hunters, food-collectors and fishermen

An enormous plume of water spurts in giant jets from the south pole of Saturn's moon Enceladus.

By 2100, the world will probably be hotter than it's been in 3 million years. In an interview with Yale Environment 360, paleoecologist Anthony D. Barnosky describes the unprecedented challenges that species will face in this era of intensified warming.

GENEVA - Antarctic glaciers are melting faster than previously thought, which could lead to an unprecedented rise in sea levels, scientists said Wednesday.

C/2007 N3, or comet Lulin to its friends, will reach its peak brightness on Feb. 24.The comet will also be easy to spot on the previous evening:Feb. 18 -- Comet Lulin visible in binoculars in south after mid­night.

The first extensive study of underwater marine life in Antarctica has revealed it is home to 7,500 animals, prompting WWF-Australia to call for an urgent expansion of marine protected areas in the region.

A mysterious fireball fell to earth in Texas over the weekend - prompting speculation that it was related to the orbital collision of two stallites last week. The US Federal Aviation Administration said it had received numerous reports of a fireball

Outgoing Federal Communications Commission Chairman Kevin Martin is pushing for action in December on a plan to offer free, pornography-free wireless Internet service to all Americans, despite objections from the wireless industry and some consumer groups