The little-known phenomenon that's making it harder for some animals to mate in the wild

Mating calls and rituals can be intercepted, or drowned out, by invasive species. Scientists are just starting to understand ...

The swinging sex lives of Alaska’s beluga whales

Among marine mammals, beluga whales ( Delphinapterus leucas) are particularly difficult to study in their icy habitat. To better understand and protect this endangered species, scientists must piece ...
AOL

Study reveals first mammal known to mate without using penetration

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Bats have long been ...
Newsweek

Male Marsupials Cannibalize To Fuel 14-Hour, Death-Inducing Mating Sessions

Tiny Australian mammals have been observed eating each other during grueling 14-hour mating sessions, that ultimately result in the males' death. The bizarre behavior was first observed by Sunshine ...