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WASHINGTON - In northern Greenland, a part of the Arctic that had seemed immune from global warming, new satellite images show a growing giant crack and an 11-square-mile chunk of ice hemorrhaging off a major glacier, scientists said Thursday.

CARACAS, Venezuela - An ancient tar pit exposed when Venezuelan oil workers laid a pipeline has yielded a rich trove of fossils, including a type of saber-toothed cat that paleontologists had never found before in South America. Scientists say the find holds the promise of many discoveries to come.

WELLINGTON (AFP) - New Zealand's mysterious colossal squid, the largest of the feared and legendary species ever caught, was not the T-Rex of the oceans but a lethargic blob, new research suggests.

Here's the new taste sensation - your tongue might be able to taste calcium.

NASA's Phoenix Mars Lander has spent the last few weeks digging new trenches in its landing area, looking for new materials to analyze in its instruments and examining the soil and subsurface layer of water ice.

A mock-up of NASA's Orion space shuttle successor twisted, tumbled and fell from thousands of feet up after a parachute failed to inflate properly during a July 31 test.

ANCHORAGE, Alaska - Nine polar bears were observed in one day swimming in open ocean off Alaska's northwest coast, an increase from previous surveys that may indicate warming conditions are forcing bears to make riskier, long-distance swims to stable sea ice or land.

The technology storehouse supporting NASA's effort to launch astronauts back to the moon by 2020 is dependent on proper funding and clear mission goals, but lacks a comprehensive testing plan, according to a new report.

Deep in the center of our galaxy, circling suspiciously close to the giant black hole lurking there, is a group of massive stars.

Tropical Storm Fay was expected to make landfall along Florida's northern Atlantic coast Thursday morning, bringing with it very heavy rain, thunderstorms and strong winds. Flooding was predicted.

WASHINGTON (Reuters) - Health regulators have approved the use of ionizing radiation for fresh spinach and lettuce, saying the technique already approved for other foods can help control harmful bacteria and other pathogens.

The New York City area is at "substantially greater" risk of earthquakes than previously thought, scientists said Thursday.

Before testing for life on other planets, it's useful to practice on barren areas of the Earth. One such place is Rio Tinto in Spain, where conditions are analogous to Mars.

Something beneath the surface is changing Earth's protective magnetic field, which may leave satellites and other space assets vulnerable to high-energy radiation.

HOUSTON - Powerful acoustic devices used by oil companies searching for new sources of hydrocarbons in the Gulf of Mexico have had no discernible effect on endangered sperm whales living in those waters, according to a federally funded study released Thursday.