A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems.

While they don't write love letters, there’s no doubt animals form deep and enduring friendships and use many different ways ...

Scientists refine the timeline of sponge origins, showing soft-bodied ancestors likely evolved later than some chemical ...

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

Dinosaurs ruled the planet between 230 to 66 million years ago, although many other life forms had evolved well before their ...