Top paleontologists have discovered that mating between some species of prehistoric behemoths was so violent that they ...

The adult male, first photographed on the night of January 15, is believed to have crossed into Buxa from Bhutan. Forest ...

Nature is full of surprises, but few are as fascinating as hybrid animals, creatures born from crossing two different species ...

Finding a mate is hard in the animal kingdom! As these strangest animal mating rituals show, it sometimes gets even more ...

“Tiger sharks typically roam widely in what can seem like random patterns, so finding such a strong and consistent seasonal ...

Every winter about 10,000 elephant seals make their way to California's Año Nuevo State Park to fight, mate and give birth.

Many animals do something that still surprises researchers: females often mate with more than one male. This ...

Learn how South Dakota chose the coyote as its state animal, from bounties and debate to resilience, Native lore, and Tootsie ...

Among animals, few life cycles are as dramatic as that of the octopus. After a single reproductive event, many females enter ...

"We have a family of deer that show up in our backyard every day, right around 5 p.m. Sometimes we see them in the morning as ...

Few animals look as calm and harmless as a hippo lounging in the water, but appearances can be deceiving. Dangerously so, in ...

In house mice, the pay-off of mating with multiple males depends especially on the quality of food available to mothers ...