Prehistoric squirrel droppings were analyzed and found to contain genetic material of numerous ice-age beasts, plants, ...

Repeated doses of a tuberculosis vaccine lowered insulin needs in patients with two forms of diabetes, new trial data show.

Learn how to photograph the Milky Way in June with expert astrophotography tips on dark skies, camera settings, timing and ...

The National Oceanic and Atmospheric Administration gives the climate event a 63% chance to "rank among the largest El Niño ...