Reverse extinction: Should we redo the dodo?

Woolly mammoths stomp through the Siberian tundra as the giant moa strides the forest floor of New Zealand and Tasmania's dog-like "tigers" stalk their prey under the cover of night. This is not a snapshot of times past, ...

Dome-headed dinosaurs did more than just butt heads

We have all seen nature shows with footage of bighorn sheep rearing up and "butting heads" with each other using their heads and enlarged horns. People often assume other animals with horns and comparable head structures ...

Chechnya claims world's largest dinosaur eggs

A university in Russia's Chechnya claimed on Tuesday to have found an unprecedented stash of giant fossilised dinosaur eggs in a remote mountainous area of the North Caucasus region.

Are female mountain goats sexually conflicted over size of mate?

Mountain goats are no exception to the general rule among mammals that larger males sire more and healthier offspring. But University of Alberta researcher David Coltman has found a genetic quirk that might make female mountain ...

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