The 5.3-mile-wide crater is now confirmed to be 66 million years old, suggesting that the impact of at least two giant space rocks preceded the mass extinction of dinosaurs.
More than 260 dinosaur footprints found in South America and Africa match up, serving as a reminder of how young Earth's continents still are.
The dino had a protruding “eyebrow” on the postorbital facial bone, which could mean the creature had a facial horn.
When the Chicxulub asteroid slammed into Earth, it set off a chain of planet-wide devastation. New research suggests we should blame Jupiter.
The billionaire said the dinosaur "was born in America and is going to stay in America."
Check out the top-tier shots from the world's ultimate bird photography competition.
Researchers found "zero breeding success" among seabirds in Antarctica.
Natovenator had a beak-shaped mouth full of teeth and a streamlined body for diving.
A new report finds that dozens of species are at a tipping point, thanks to major population losses since the 1970s.
Long-term research points to a 43% decrease in the Adélie population in East Antarctica.
Wild parrots in Sydney, Australia have learned to break into protected bins, but people are developing innovative counter-measures.
From turacos to ptarmigans, these photos show birds in all their avian glory.
A remarkable fossil has yielded yet another surprise: the first preserved dinosaur umbilical scar.
Games from across the indie-sphere for metalheads, dinosaur kids, and those of us who made liberal use of our paper dolls.
Fossilized hadrosaurs, crustaceans, fishes, poop, pollen, and more have been found in a quarry.
The discovery suggests dinosaurs had surprisingly small geographic ranges. The question now is: why?
Despite being incredibly metal, the ankylosaur's spikes were made of bone.
Like a peacock with its dazzling plumage, this Cretaceous bird had fancy tail feathers that likely served to attract mates.
Birds aren’t descended from dinosaurs. They are dinosaurs.
New fossil finds bolster the theory that dinosaurs were warm-blooded.