Animals

Scientists discovered an enzyme within the ant "blood-brain barrier" that helps control whether an ant ends up a soldier or a forager.

Researchers documenting fossil tracks in March discovered the first tritylodontid fossils ever found in the Navajo Sandstone and rushed to retrieve them before snowmelt replenished Lake Powell.

Scientists analyzing cave lion bones have discovered the earliest evidence of Neanderthals hunting a cave lion, as well as the oldest example of human relatives using a lion pelt for cultural purposes.

By analyzing how birds migrated across the U.S. over a 23-year period, researchers have shown that solar weather events can seriously disrupt the navigation of the wandering avians.

A newly described titanosaur species, named after an ancient Egyptian deity, fills a gap in our understanding of Africa's dinosaurs.

Researchers have discovered a new insect genus of big, alien-looking parasitic wasps in the Peruvian rainforest, one of the most biodiverse places in the world.

French photographer Laurent Ballesta has received this year's Wildlife Photographer of the Year award for his image of a tri-spine horseshoe crab off Pangatalan Island in the Philippines.

Despite humans living with cats for thousands of years, scientists still don’t quite know how they make purring sounds. But new research appears to be edging us closer.

Female European common frogs will play dead to avoid mating during their "explosive" breeding, where several males attempt to mount one female at the same time.

A Chinook helicopter flying above a crocodile farm in Queensland appears to have set off a huge sexy frenzy, with the crocs mistaking the noise and vibrations as a signal it was time to make babies.