The sources of water that feed one of the main ocean circulation systems on Earth are likely to change along with the climate, according to a new study.
The Atlantic...
A research team has found new evidence that fish rapidly evolved in two phases following the Cretaceous-Paleogene (K/Pg) mass extinction that occurred 66 million years ago....
Take a deep breath. About 20 percent of the air that just moved through your mouth or nostrils is oxygen—the gas much of life on Earth needs to survive. If you had taken...
