Violent swings in weather patterns occurred after Earth's climate crossed "tipping points" thousands of years ago, according to a new study of Greenland ice-core data.
Four leading Japanese robotic companies have joined forces to outcompete South Korea, which recently announced legislation to develop more robots for common household use.
Jatropha, a hardy biofuel plant grown in salty soils near the Indian Ocean, may reduce biofuels' competition with food-producing crops, industry officials say.
The longest day of the year falls on Friday's midsummer solstice—unless you live in the Southern Hemisphere. Get the facts on why the solstice occurs and how people have celebrated through the centuries.
DNA precursors found in a meteorite suggest that life's raw ingredients may have formed in space, and may have been deposited elsewhere in the universe, scientists say.
More widespread death and destruction could occur if China rebuilds on the active tectonic faults that caused the May 12 quake in Sichuan Province, scientists say.
In the Israeli desert, a U.S.-Israeli team is testing a new technology that uses mirrors to harness the sun's rays and create electricity-producing steam.
The date palm plant, which grew from seeds recovered in 1963 from the Masada fortress in Israel, has been confirmed as the world's oldest-sprouted seed.
Male barn swallows whose breasts were artificially colored red were coveted by females and spurned by males, responses that changed their bodies' chemistry, a new study found.
