To make sense of some characteristics that species exhibit from birth, you have to turn to an old discredited theory known as Lamarckism.

Fifty meters below the surface of a Greenland fjord is not the place one might expect to find squid. Yet there she was, beside clusters of tiny eggs. Researchers exploring Northeast Greenland National ...

An international team of scientists has announced the discovery of a new species of harvester ant, named Messor odrysarum.

There are many observations of animals behaving oddly during eclipses, but the reason may have nothing to do with the sun and ...

Leaving aside the issue of exactly how much of their body they can see (some fish, like eels, can probably see quite a bit of ...

Naked mole-rat queens produce a chemical that stops other females from reproducing. Credit: Neil Bromhall/Getty. Naked ...

From detachable appendages and corkscrew shapes to multi-functional tools, the diversity in animal penises is not just bizarre – it’s a testament to how evolution solves reproductive challenges.

The reproduction process of kangaroos represents one of nature’s most fascinating evolutionary adaptations. Unlike most mammals, female kangaroos possess remarkable control over their reproductive ...

Source: Thomas D. Mangelsen/Images of Nature. As a kid, I spent as much time outdoors as possible. Even at age 3, I rode my tricycle along Brooklyn sidewalks, eager to encounter all the dogs, birds, ...

In the vast world of animal reproduction, there exists an extraordinary spectrum of reproductive strategies. While mammals typically produce small litters and invest heavily in each offspring, some ...

A new analysis of GPS tracking data from 37 animal species, paired with cellphone location data from across the United States, shows that not only does animal behavior change when humans modify their ...

Cougars are showing signs of reproducing in Minnesota for the first time in 100 years. Video from the Voyageurs Wolf Project showed a mother cougar and her kittens in the Voyageurs National Forest.