Add Yahoo as a preferred source to see more of our stories on Google. Picture this: you’re a scientist digging near the Amazon rainforest, and you pull a jawbone out of the ground that looks so wrong ...

A newly discovered 275-million-year-old species found near the Amazon rainforest in Brazil had a jaw unlike anything seen before - and it’s forcing scientists to rethink when an entire lineage of ...

Animal life is extraordinarily diverse and complex, having colonized almost all environments on Earth—from hostile ...

Colossal Biosciences made a record-breaking 20 edits across 14 genes in gray wolf cells by adding extinct dire wolf DNA. This was the first time ancient DNA has been used to bioengineer an extinct ...

Koalas with the bodies of lions. Elephants the size of your dog. Gigantic, 8-foot-tall sloths. These aren’t creatures found in science fiction: They walked our planet a million years ago, during the ...

This aerial view shows the Amazon rainforest near the municipality of Paragominas, Para state, Brazil, on November 12, 2025 during the COP30 UN Climate Change Conference. MAURO PIMENTEL MAURO PIMENTEL ...

Did Earth’s major diversification event really happen in one sudden explosion? Our fossil discovery suggests not.

In April of 2025, headlines across the world announced that the dire wolf had been brought back from extinction. This 130-150 lbs wolf species, about 25% heavier than modern-day gray wolves, had not ...