This explosion may have vanished the Clovis culture from the archaeological record in North America, according to a study ...

For a long time, the end of the Ice Age felt like a slow fading rather than a sharp break. Mammoths vanished. Old ways of ...

Betelgeuse is one of the brightest stars in the night sky and a familiar landmark in the constellation Orion. It has also ...

The agency said Third Coast failed to establish proper emergency procedures and didn't adequately assess risks.