Unbeknownst to unsuspecting residents, a large number of leopards are prowling the fields and backyards of populated agricultural lands in India.
Martha, last of the passenger pigeons.
When did animals first come into being? It might have been millions of years earlier than we thought.
In a 120-million-year-old rock in Northeast China, paleontologists made a remarkable find.
The birds do it. The butterflies do it. And now we know that the dragonflies do to it, too: long-distance migration.
This year, the Journal of Parasitology celebrates its 100th anniversary
Why do leaves change colors in fall?
Dendrogramma enigmatica, an organism discovered in the 1980s, may be one of the earliest lifeforms.
Biological research tracks predatory carnivores, who are increasingly veering into North American cities.
Coyotes in New York City? You bet. Read more about carnivores living in urban areas.