A dense Arctic bonebed shows marine life and ocean food webs recovered far faster than scientists once believed after mass ...
Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, ...
Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major ...
New research suggests a comet explosion helped cause ice age extinctions, sudden cooling, and the loss of early human cultures.
In 2024, scientists studying ancient sediments in the eastern United States reported signs of a comet exploding in Earth’s skies 12,800 years ago. That event, they suggested, might have plunged the ...