Man-made global warming may have started a few decades earlier than scientists previously figured, a new study suggests.
It is a voyage explorers only dreamed of not so long ago.
Cooperation is often hailed as a key trait that separates humans from animals, but researchers said Monday that our closest relative, the chimpanzee, can learn to work as a team.
The drier, warmer autumn weather that's becoming more common due to climate change may extend summer smog well into the fall in the Southeastern U.S. in the years ahead, according to a study published on Monday.
A land crab is seen in this undated file photo provided by the Kenting National Park Administration on Friday, Aug. 19. The government will close some of the lanes of Provincial Highway No. 26 during the breeding season -- the three days before and after............
Soaring temperatures worldwide made July the Earth's hottest month in modern times, setting a new high mark for global heat in 137 years of record-keeping, US government scientists said Wednesday.
Earth just broiled to its hottest month in recorded history, according to NASA.
The race is on to win U.S. President Barack Obama's attention as he puts some final touches on his environmental legacy.
Utah: A coalition of five Indian tribes is leading an effort to designate 1.9 million acres in the southeast corner of the state as the Bears Ears National Monument.
A court in Mexico has freed a longtime anti-logging activist whose arrest was criticized by human rights groups.