Editor’s note: Dr. Lee Pickett has retired, but Creators continues to distribute content from her archive. This one is from 2022. Q: Can cats and dogs breed with each other? A: No. Their anatomy, ...

When closely related species mate, their offspring sometimes survive but cannot reproduce. This pattern often affects males ...

In 2022, a Russian whale researcher made a remarkable discovery on Bering Island off Russia's Pacific coast: a severed killer ...

Q: Can cats and dogs breed with each other? A: No. Their anatomy, physiology and breeding behaviors are too different. However, interspecies breeding does occur in some other animals. Surprisingly, ...

Gold Shaw Farm explores the biological realities and genetic barriers of waterfowl to answer whether ducks and geese can actually interbreed.

, March 10 -- Scientists have found possible evidence suggesting that some killer whales may hunt and eat their own species in waters near Russia.

Two severed fins bearing the tooth marks of other killer whales have raised a troubling question: are some orcas hunting ...

Lisa Spear is a science writing fellow at Newsweek. She's previously contributed to a number of other outlets including ...

Learn about the fatal encounters between two groups of killer whales, bringing the idea of whale cannibalism into question.

Orcas don’t have any natural predators, so how did this happen? The tooth marks, it turned out, were distinctive – they were ...

Two is company, three is a crowd as another of Central Victoria's best grazing properties is set to change hands. Be the ...

Most people today have a little Neanderthal DNA sprinkled through their genome. Exactly what these interactions looked like is a mystery, but a new study suggests that when our species and ...