Long before dinosaurs, Earth’s forests were ruled by a many-legged giant. Here’s why this millipede’s size still challenges ...

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth’s most massive land ...

Earth's first large land organisms—tree trunk-like beings that stood up to 26 feet tall—weren't early fungi but, rather, ...

The asteroid that struck the Earth 66 million years ago devastated life across the planet, wiping out the dinosaurs and other organisms in a hail of fire and catastrophic climate change. But new ...