As protein-fortified foods make their way down the grocery aisle, we asked experts if the growing trend is worth paying ...

For conservationists, the message is clear: while community-led clean-ups are making a visible difference, protecting one of ...

Polar bears are running out of ice and out of time, yet inside their cells something remarkable is happening. As the Arctic ...

A mystery that started with the discovery of a pinkie finger bone in Denisova Cave in the Altai Mountains of southern Siberia may finally have been cracked.

In 1989, paleontologist Darren Tanke suggested that similar breaks were the result of mating as one dinosaur mounted the ...