Palaeontologists agree that Troodon was one of the most intelligent dinosaurs. Canadian Dale Russell developed a thought ...

In the April issue of SciAm, follow a man’s journey to a diagnosis, learn about exciting new schizophrenia treatments, and ...

Here's how big all the dinosaurs from "Jurassic Park" are relative to an average human man. Monica Manalo contributed reporting on a previous version of this article. Graphics by Skye Gould.

“While dinosaurs had no control over their evolution, humans, with our advanced brains, should be able to manage our behaviours and choices.” ...

Here's how big all the dinosaurs from "Jurassic Park" are relative to an average human man. Produced by Monica Manalo. Graphics by Skye Gould. Original reporting by Jessica Orwig. Follow Tech ...

Modern birds are the living relatives of dinosaurs. Take a look at the features of flightless birds like chickens and ...

Megafauna, though not dinosaur sized, had by then grown large ... But it’s clear to Doughty that there was a correlation between humans arriving and hunting the animals and the extinctions. “ ...

Dinosaur tracks in the Walmadany area of Australia. Credit: DAMIAN KELLY Scientists have discovered some of the world's largest dinosaur tracks—measuring as long as the average person is tall ...