Add Yahoo as a preferred source to see more of our stories on Google. More than 80 percent of the world’s coral reefs have just been hit by the most widespread and severe bleaching event in history.

Narrow bands of ocean covering just over one-third of the world's seas are responsible for absorbing nearly three-quarters of ...

Northwestern University Ph.D. student, Luca Podrecca takes a break from research in the field near Mount Ashibetsu in Japan. By studying prehistoric rocks and fossils emerging from the side of Mount ...

In the dry, sun-scorched deserts of Ethiopia, a slow but astonishing transformation has been unfolding since 2005. A 35-mile-long crack, known as the East African Rift, is gradually tearing through ...

Researchers analyzed radioisotopes in layers of fossilized volcanic ash. Decay of uranium to lead within tiny crystals enabled scientists to precisely pinpoint dates for certain events. They ...