Early birds were like ‘T rex reincarnated’, says scientist who believes avian skulls offer insight into dinosaurs’ behaviour ...

On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs.

So in one way, dinosaurs never went extinct; they just turned into birds. However, in the stricter sense of the word, dinosaurs had a whole combination of anatomical and behavioral characteristics ...

Octopuses' earliest relatives may have been gigantic predators hunting during the age of dinosaurs, according to new Hokkaido ...

A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, ...

Dinosaurs weren't in decline when an asteroid smashed into Earth and wiped them out, scientists say. Instead, the idea that dinosaur diversity was declining before the asteroid struck 66 million years ...

Mammals and dinosaurs coexisted on Earth until a catastrophic event 66 million years ago killed 75% of life on the planet.

This cleared the stage for dinosaurs to take over for the next 135 million years. This extinction was connected with massive volcanic eruptions caused by the breakup of the supercontinent Pangaea. The ...