A new study of wild bats reveals that an animal's immune system is shaped by more than its need to fight infections. Researchers from the University of Maryland have found that sex, age and ...

Delhi braces for increased rainfall as the monsoon strengthens across northwest India. Scattered showers are expected to ...

The latest screwworm outbreak in cattle has led to clashing ideas about how to control it.

While many animals form lifelong bonds or perform elaborate courtship rituals, others take a far more disturbing approach to ...

There’s a particular stillness that falls over a meadow when a bison lifts its head from grazing. For many park visitors, ...

Fangs belong to more than just snakes and predators. A humble reef fish, a wild pig, and even a deer have evolved some of the ...

Divers discovered strange geometric formations on the ocean floor in 1995. It took until 2011 to find the tiny, poisonous ...

I'll save this sperm for later, thanks ...

On June 27, the USDA inaugurated a 22,000-square-foot sterile fly production plant in Metapa, Mexico, with plans to release ...

Most people on Earth are habitats for mites that spend the majority of their brief lives burrowed, head-first, in our hair ...

Thousands of endemic grunion fish leapt onto Bay Area shores late Tuesday night for a seasonal mating ritual, a reminder that ...

Take a look at this incredible mayfly swarm and then learn why this happens, if it is dangerous, and what you should do.