Spain on Wednesday handed back to the United States a robot which last week completed the first underwater crossing of the Atlantic Ocean to help monitor climate change by tracking temperatures.

Snowflakes, we have seen, are beautiful and diverse but they are not inert byproducts of cold clouds. In fact, some scientists believe that snowflakes, and the specific shapes they form, could have a significant impact on our atmosphere's ability to clean

NASA's newest rocket blasted off on a brief test flight Wednesday, taking the first step in a back-to-the-moon program that could be shelved by the White House.

Supervolcanoes and cosmic impacts get all the terrible glory for causing mass extinctions, but a new theory suggests lowly algae may be the killer behind the world's great species annihilations.

The scientist behind the Neanderthal genome project said he's certain that Neanderthals and our ancestors had sex.

A burgeoning blizzard of space debris is going to have a major impact on the future economics of space flight.projections indicate that the number of close encounters between objects in orbit will rise 50 per cent in the next decade, and quadruple by 2059

New York is the first state to mandate flu vaccinations for health care workers. The nurses preparing to file the lawsuit have already collected more than 400 signatures of health care workers against the forced vaccinations and are helping plan a rally.

Archaeologists showed to the media Thursday a stone chamber that was excavated at an ancient tomb near Nara and is believed to date back to the late third to early fourth centuries.

A group of climate scientists says the Kyoto Protocol has a critical flaw in the way it calculates carbon emissions from biofuels that could undermine the treaty's goal of reducing greenhouse gas emissions.

ONCE again, inventor James Dyson has reinvented a machine we never knew needed reinventing. After vacuum cleaners and hand dryers, his latest target is the desktop fan.