Why do so few mammals go through menopause? Menopause happens when the older females of a species remain physically capable ...

Dexter: Resurrection's New York Ripper has risen to greater heights than the original series' notorious Trinity Killer, and Brian Cox guarantees it.

Some animals have been observed to kill prey but not eat it – which is known as surplus killing. Meet the creatures that take ...

T049C was spotted swimming in the Siuslaw River on April 8. Experts say this behavior is not uncommon.

Southern Resident killer whales are a small and well-studied group of orcas that have long been seen as an isolated group ...

A pod of orcas that had not been recorded in Seattle before is delighting whale watchers with several visits just off ...

Scientific analysis of "cannibal" killer whales might seem shocking at first glance, but it might also indicate that our ...

There’s an episode in Season 1 of Stranger Things, where the science teacher explains to the kids how to travel to another dimension (the Upside Down) using a paper plate. The teacher draws a ...

The dramatic footage of killer whales hunting white sharks captured global attention. But scientists studying population data noticed something unusual. White shark numbers were already declining long ...

Three mystery whales have been surprising whale watchers from Canada to Olympia. When somebody gets the thrill of seeing an orca in Northwest waters, that whale is almost always well known. Scientists ...

Rachel Mason’s documentary finds plenty of intrigue in the case of a young gay male porn performer whose violent 1990 demise stymied LAPD detectives. A very cold case from 1990 gets reheated in “My ...

A broken tooth lodged deep in bone can outlast the animal that lost it. In two whale skulls from Belgium, those fragments have done exactly that, preserving a moment of violence from roughly five ...