Dirt at the bottom of a lake bed in America's oldest national park sheds light on the massive herds that once roamed the west ...

Pre-Maya hunter-gatherers built the system in Central America in response to a drought between 2200 and 1900 B.C.E., ...

After the Israeli government delayed a formal investigation into the Hamas attacks, an alliance of survivors and victims’ families set up their own inquiry. Their scathing findings were released ...

University of New England. L.A. Cotton School of Geology ...