The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

A rare fossil discovered in Oklahoma is making waves across the paleontological community after a geology professor and his ...

A routine fossil-hunting trip turned into a groundbreaking discovery for a pair of researchers when they stumbled upon a rare ...

A new study suggests that dinosaurs likely weren't in decline before an asteroid wiped them out 66 million years ago; instead ...

Dinosaurs may not have been declining before the asteroid impact after all – new research shows that the apparent drop in ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be ...

The model suggested that, during the 18 million-year time period in question ... caused by geological changes in these terminal Mesozoic fossil-bearing layers — driven by processes such as ...

The dinosaurs were not in decline before the asteroid hit, a new study finds. Instead, poor fossilization conditions and ...

Dinosaur extinction theories suggest populations were dwindling when an asteroid wiped them out. New research is challenging ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...