A revelation goes against widely held ideas about how some glaciers work, and it suggests that at least parts of Greenland's ice sheet survived periods of global warming intact.
Since the disastrous BP spill in 2010, environmentalists have kept watch over Louisiana's coastline. One consortium says there's far more oil leaking into the Gulf than companies are reporting.
It looks as though the "comment period" for the controversial Keystone XL pipeline project will be extended, delaying a decision past the November elections.
A government report says the land has been poisoned by heavy metals such as cadmium, nickel and arsenic, and concludes that the condition of China's soil offers "no optimism."
Farmers in the parched Central Valley are joining forces with farmworkers and a broad cross section of politicians to pressure the federal government to offer relief.
Impatient gardeners don't have to wait for summer to harvest salad fixings. A surprising variety of crops will bring homegrown produce to your table in as little as three weeks.
A plan to replace imported oil with domestic natural gas has led to fuel shortages and long lines in Pakistan. A businessman has spent $500,000 of his own money to develop an affordable solar car.
A flood protection authority is suing to try to hold the oil and gas industries responsible for Louisiana's land crisis. But policymakers are trying to stop the lawsuit, saying it's bad for business.
After spending eight months on a Japanese space expedition, a cherry pit that's now four years old has mysteriously blossomed six years before it was due.
Greenhouse gas emissions will have to drop 40 to 70 percent by 2050 — and then drop even more, to nearly zero by the end of this century — a new U.N. report says.
WEST FALMOUTH, Mass. — Utility officials are on the lookout for returning ospreys that nest in the cross arms of utility poles on Cape Cod.