Before the asteroid hit, Steve described mammals as “staying and diversifying in the shadows” while dinosaurs “eventually took over from the crocodiles, got bigger and spread around the ...

As white Americans moved further westward into the Nebraska territory after the Civil War, they kept fashioning a new American identity based on deep time. Digging deep into the ground to anchor the ...

The evolution of mammals has been marked by significant events, such as the mass extinction that wiped out non-avian ...

By contrast, dinosaurs always held up their own weight.' African savanna elephants, Loxodonta africana, are the largest land animals alive today. Most weigh five to seven tonnes. The biggest ...

Researchers discovered a protein in a 68- to 66-million-year-old fossil that many scientists would have argued should have long been destroyed.

Faced with an evolving group of competing organisms -- the mammals -- perhaps dinosaurs were driven to extinction by competition. Packs of small mammals would have competed with dinosaurs for food.

Rare fossils uncovered in Colorado show an unexpected swamp-dwelling creature lived among the dinosaurs millions of years ago. A team of paleontologists uncovered the “new (or, more accurately ...

How did mammals come to dominate our planet? Prof Steve Brusatte tells Jim Al-Khalili about his life and work studying dinosaurs, mammals and ancient reptiles.

CELINA - Though dinosaurs are the most notable of the prehistoric animals, smaller mammals and fish walked and swam in Ohio, ...

Expert says research suggests that ‘they likely originated in the low-latitude regions of Gondwana near the equator, an area ...