New research shows that male water scorpions use an air bubble between their wings and abdomen as a physical gill, letting ...

Camera-trap data from Nebraska's Wildcat Hills show that male mule deer, white-tailed deer, and elk concentrate chronic ...

Endangered leopard sharks have been observed mating in the wild for the first time, with scientists witnessing a “threesome” involving two males and a female. The encounter was filmed by Hugo Lassauce ...

Add Yahoo as a preferred source to see more of our stories on Google. If you suffer from arachnophobia, this is the time of year when you're most likely to run into one of your worst nightmares: a ...

Add Yahoo as a preferred source to see more of our stories on Google. Two dogs mating on the beach. Why do dogs get stuck when mating? It's a question you may be asking if you've ever noticed two dogs ...

In examining the mating rituals of roundworms, researchers uncovered a unique approach to reproduction that maximizes genetic fitness. Sparks fly when a female nematode meets her mate in a Petri dish.

A provocative study by evolutionary biologists takes on one of Charles Darwin’s central ideas: that males adapt and compete for the attention of females because it is the females who ultimately choose ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This article is more than 2 years old. The extreme ...