New evidence suggests that a comet explosion over North America may have triggered a massive wave of destruction nearly ...

New research suggests a comet explosion helped cause ice age extinctions, sudden cooling, and the loss of early human cultures.

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

Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major ...

Researchers say atmospheric blasts could explain mass extinctions and the sudden cooling of the climate at the beginning of ...

Scientists are continuing to strengthen the case that a fragmented comet exploded in Earth's atmosphere nearly 13,000 years ...