Overnight, George had taken not only his final breath but the final breath of his entire species, the Pinta Island tortoise, ...

If you've seen it in a horror movie, a bug probably did it first. To celebrate Halloween, here's a look at some of nature's ...

A behavioral ecologist explains the reciprocal social relationships vampire bats maintain, in sickness and in health.

Across the vast Northern Hemisphere range of the moose, this biggest member of the deer family is just past the rigours of the rut, aka the breeding season. That autumnal stretch of the calendar ...