Unlike bears, groundhogs are true hibernators. During hibernation, they don’t eat and rely on the fat stores they have built ...

The scientists learned many cool things. Just like birds and insects, the bats adjusted their flight speeds in response to the wind. When wind support increased, the bats flew more slowly. When there ...

When I penned last week’s column on river otters, I did a little more research to confirm that all my info was accurate. I knew otters fed primarily on fish, but I didn’t know that they can also feed ...

Cuttlefish look like something from another planet with their weird W-shaped pupils and tentacles, but the truly bizarre ...

It may have been suicidal for a predator to go after a healthy adult Brachiosaurus, a behemoth weighing perhaps 60 tons that ...

It’s difficult to ID Eastern and Western screech-owl species—location is your best bet. Hear their call and learn about their ...

Being prey for so many animals, it’s no wonder that most hamsters are nocturnal. They spend their days hiding from snakes, ...

From the scale of danger posed by wind turbines to the actual price of installing home solar panels, here are the facts you ...

Each day, Times Insider editors scour the newspaper for the most interesting facts to appear on our pages. This year, tidbits about plastic recycling, whale sharks and crab Rangoon enlightened and ...

One of the most important steps in the evolution of modern mammals was the development of highly sensitive hearing. The middle ear of mammals, with an eardrum and several small bones, allows us to ...