Some creative calculations using bug traps, epidemiology and trees suggest there are some 20 million unique insect species on ...

Scientists have spent decades studying octopuses, but these mysterious creatures continue to surprise them. Every discovery seems to answer one question while raising another. Here are five facts that ...

Urokodia aequalis, an early Cambrian marine predator from the Chengjiang biota of China, preserves the earliest known evidence of chelicerae -- the pincer-like structures that later evolved into the ...

Humans may be part of the animal kingdom, but there’s still so much many of us don’t know about the creatures we share the ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Weighing less than a penny and small enough to be mistaken for a flying insect, Kitti's hog-nosed bat breaks nearly every ...

Learn about the amazing wound healing process of a tiny jellyfish, in which cells "walk" toward each other to close wounds.