A rare crab found in India shows both male and female traits, helping scientists unlock secrets of sex development and ...

Certified animal lover Celine Tails analyzes the distinct differences in temperament and handling requirements between male and female Dobermans.

An 1,800-year-old mosaic fragment featuring a topless leopard fighter confirmed that female gladiators battled animals in the ...

When you think of a fight between an animal and a human in ancient Roman sports, the mental image is usually of a big man vs.

We tend to picture female animals as gentle or secondary to the males. Nature tells a different story. In many species, females are the hunters, the leaders, and sometimes the most ruthless ones in ...

Stephanie Fallon, 46, a Georgia-based stay-at-home mom, talks with PEOPLE about her journey raising the Boerboel breed ...

Just because a female olive baboon has mated with a specific male doesn't mean he will be the father of her offspring.

In 1860, archaeologist Jean Charles Loriquet uncovered a massive mosaic in the town of Reim in northern France that depicted ...

Scientists have captured rare footage of a sperm whale giving birth, offering a window into the large mammals' behavior ...

Republican lawmakers push to ban funding for transgender animal experiments in the 2027 Appropriations bill after NIH granted ...

In The Creatures Guide to Caring, science journalist Elizabeth Preston looks to the animal kingdom to explore what it means ...