Six species of North American bats glow under ultraviolet lighting, according to a new study. Researchers don’t know why ...

First, no one is sure why we, or any other animal, dream. During the past century, however, scientists have made significant progress in understanding the factors that influence sleep and dreaming.

Beyond bats’ symbolism as creepy creatures at Halloween, San Mateo County is a year-round home to a number of different ...

Snakes, like most reptiles in the world, are oviparous. This means that rather than producing live young ones, the way mammals do, snakes produce an immature single cell — an egg. Most snakes follow ...

In a study published this week in the journal Nature, researchers found that the key to the whales’ lifespans is a ...

A study of nine species of large mammals in the Greater Yellowstone Ecosystem has revealed that their behavioral responses to ...

We mammals and birds are homeothermic, or “warm-blooded.” We maintain a relatively constant temperature regardless of the temperature outside. There are a variety of strategies that are used to ...

Brown rats are seen on video for the first time ever hunting bats systematically, doing so by stalking the flying mammals ...

An error has occurred. Please try again. With a Lewiston Sun Journal subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Have you ever wondered why you don’t have thick hair covering your whole body like a dog, cat or gorilla does? Humans aren’t the only mammals with sparse hair. Elephants, rhinos and naked mole rats ...

Boobs are back. Also, they never went away. This is part of Boobs Week—read the whole thing here. Breasts are usually not the first thing we notice on an elephant. You might have never noticed them at ...