Discover the bizarre facts and fiction about the Virginia opossum's incredible symmetrical reproductive system.

In the animal kingdom, mating isn’t always about survival. From praying mantises to octopuses, some species die during or soon after reproduction. Expert explains how evolution favours these extreme, ...

How do animals decide when to fight and when to walk, fly, slither, or swim away? Most research on animal conflict has focused on the short-term costs of single interactions, but a pair of behavioral ...