For the first time, we know more than we ever expected to know about the sex lives of the majestic beluga whale. It's ...

A new decade-long study tracked 37 penguin colonies and found that the birds are breeding earlier. The shift marks one way ...

Beluga whales avoid inbreeding by switching partners over time, helping a small, isolated population stay genetically healthy ...

Researchers in Alaska have discovered that beluga whales have lots of different partners and this “mate switching” could be ...

A new study shows penguins are breeding earlier than ever in the Antarctic Peninsula. This region is one of the fastest-warming areas of the world due to climate change, and penguins time their ...

A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to ...

Utah’s Hogle Zoo announced Thursday morning their 8-year-old giraffe, Minka, is expecting her first calf in February.

Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

Many mammal populations in European and North American zoos are aging – a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

To say that humans have dominated this planet would be an understatement.

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

A good class pet is active during the school day, comfortable with the average temperature and humidity in the building, and ...