Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, and many other large animals went extinct. Around the same time, the Clovis ...

Recently discovered Comet C/2025 R3 (PanSTARRS) will make its closest approach to the sun and Earth in late April and could potentially be visible to the naked eye. It may end up being the brightest ...

New evidence suggests that a comet explosion over North America may have triggered a massive wave of destruction nearly 13,000 years ago, killing off mammoths and mastodons and wiping out one of the ...