These fossil finds shed new light on the past in 2025

New details emerged about Earth’s most ancient bird, a penis worm (yes, we went there) and more

A T. rex in a red hoody sits on a couch scrolling on its phone in this cartoon style illustration, while a game console and an empty pizza-style box marked with an X of bones are nearby on the floor.

What did a teenage T. rex look like? Not like Nanotyrannus, a relatively diminutive and distinct species. That’s just one of this year’s fun paleontological discoveries.

Emile Holmewood

This is a human-written story voiced by AI. Got feedback? Take our survey .