Paleontologists have long wrestled with how to differentiate between male and female dinosaurs based on their fossils. But new research may bring scientists closer to identifying the sex of one group ...

How well can you read the opposite sex? PT encourages you to forsake barroom boasts and put yourself to a scientific test. The Mating Intelligence Scale was developed exclusively for PT by Glenn Geher ...

Scientists say the video offers a unique look into shark mating behavior—and might also help with conservation efforts. Two Indo-Pacific Leopard sharks males observed mating with a female at a reef ...

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 ...

A rare moment when three sharks attempted to mate has been captured on camera. University of the Sunshine Coast marine biologist Hugo Lassauce captured the unique footage of two male sharks mating ...

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 tarantula. It’s mating season for most of the 29 species of tarantulas in ...

A wave of tarantula sightings might occur in the next few months across portions of the U.S. as mating season begins. The secretive spiders are rarely seen – except during mating season. The hairy ...

Dinosaurs performed mating rituals similar to some modern-day birds. Researchers have discovered evidence of one of the largest dinosaur mating "dance arenas" in present-day Colorado. Previous studies ...

When it comes to impressing the ladies, greater sage-grouse males know that smooth dance moves trump combative posturing. Indeed, new Yale research into these prairie-dwelling birds confirms that ...

The animal kingdom showcases bizarre mating rituals, from alligators with perpetual erections to kangaroos possessing three vaginas. Antechinus males mate until death, while flatworms engage in duels ...

A woman canoeing in Lake Kissimmee, Florida was killed by an alligator. Alligator mating season, during spring and summer, leads to increased activity and potential human encounters. While alligator ...