A new study shows there is a high cost of parenthood, quantifying the 10% “longevity tax” on reproduction. Consequently, mammals that have fewer or no offspring tend to live longer. But why does ...

As February nears, scent markings smell stronger, barking or yips may be heard, and there’s a greater chance of spying foxes ...

Every year, gray whales embark on one of nature’s most epic migration journeys. Here’s what we know about it, according to ...

A heartwarming rediscovery has been made on the world’s largest tropical island. Attenborough’s long-beaked echidna (Zaglossus attenboroughi) has made an appearance despite not being recorded for 62 ...

Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

Groundhogs emerge from their burrows around Feb.4. This fits the folklore of Groundhog Day, but predicting the weather is not ...

Of course groundhogs – also known as woodchucks – don’t emerge at this time just to be furry weather predictors. So what’s ...

A sea lion hopped onto a woman's kayak in La Jolla Cove and made himself comfortable next to her, but she resisted his advances and followed the recommended guidelines of staying at least 50 feet away ...

On Wednesday, SeaWorld staff, volunteers and FWC officers delivered Stipes and her calf, a male that SeaWorld biologists ...

Scientists have spotted 21 North Atlantic right whale calves off of the Southeastern coast this season. This is the most since 2011.

Shortly after her arrival last fall, Amelia Gray met Hudson, and the pair hit it off immediately. They touched their noses together in greeting and chuffed — a soft, breathy, snorting sound ...