Prehistoric birds lacked in diversity

Birds come in astounding variety—from hummingbirds to emus—and behave in myriad ways: they soar the skies, swim the waters, and forage the forests. But this wasn't always the case, according to research by scientists ...

Dead astronaut's toothbrush on auction for $4,000

A toothbrush used by one of the American astronauts who flew to the Moon is being auctioned off at a starting bid of $4,000, a Los Angeles auction house said Tuesday.

Intertwined evolution of human brain and brawn

The cognitive differences between humans and our closest living cousins, the chimpanzees, are staggeringly obvious. Although we share strong superficial physical similarities, we have been able to use our incredible mental ...

A habitable environment on Martian volcano?

(Phys.org) —Heat from a volcano erupting beneath an immense glacier would have created large lakes of liquid water on Mars in the relatively recent past. And where there's water, there is also the possibility of life. A ...

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