A massive ice age wiped out ocean life 445 million years ago, reshaping ecosystems and setting the stage for jawed fish ...
Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...
These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...
This fossil is 13 million years older than any ant fossil found before—and reveals a sophisticated predator that lived alongside the dinosaurs. The hell ant existed over 100 million years ago, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback