Updated: 44 min 11 sec ago
Some species seem to be recovering, while others are in dire straits, according to a new report.
The founder of an elephant sanctuary in Maine was accidentally crushed to death by the animals, according to news reports.
Have archaeologists solved the mysterious loss of the Franklin expedition?
Greenhouse gases reached a record high in 2013, suggesting the Earth's natural "carbon sinks" may be nearing saturation.
The biggest known ancient Greek tomb may hold a relative of Alexander the Great, researchers say.
An explosion linked to a possible meteorite impact outside Nicaragua's capital seems unrelated to an asteroid flyby.
The movie casts French cuisine as a kind of villain, Indian food as a hero.
A new study suggests that at least one blue whale population has recovered to pre-whaling numbers, but experts say whales' troubles are not over.
As kids go back to school in the U.S., take a peek into classrooms worldwide, from Botswana to Syria.
A cease-fire could allow pro-Russian forces to solidify their hold on newly seized territory along Ukraine's geographically strategic coast.
President Obama stopped to take in some history atStonehenge on his way back from the NATO summit in Wales on Friday.
Mercury shows off a weird crater, a spacecraft visits an oncoming comet, and Iceland erupts.
A judge's ruling in the 2010 Gulf oil spill could have widespread consequences.
Iranians have an inside, private life and an outside, public life-and nearly everybody lives by these rules.
In western Myanmar a Chinese-backed energy and trading hub is taking shape on a remote island.
The Great Elephant Census adds Botswana's Okavango Delta to its continent-wide aerial count.
City lights are throwing off birds' cues to sing, mate, and find food.
Bones from a new species of dinosaur fill in details of some of Earth's largest animals.
Public health officials are pleading for more volunteers.
A new species of deep-sea animal discovered in the Bass Strait of Australia may reshape the animal family tree.