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

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 ...

Learn about a small rodent-like mammal whose descendants survived the extinction event that killed all non-avian dinosaurs.

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

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 ...

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

True extinction is final, a point of no return where a species disappears forever. And sadly, species go extinct all the time ...