Why one of the world's largest emperor penguin colonies is collapsing
April 25, 2019, 12:03 p.m. by Michael d'Estries
Sea-ice changes at the Halley Bay colony has caused a once massive breeding site to all but disappear, say scientists.
The gorillas in this selfie want to be just as cool as the man who protects them
April 23, 2019, 4:58 p.m. by Christian Cotroneo
Pose suggest they are 'learning to be human beings.'
Synchronized fireflies gather for a 'rave' in the Great Smoky Mountains
April 23, 2019, 3:07 p.m. by Catie Leary
Every June, the Elkmont Ghost Town in Great Smoky Mountains National Park lights up with the world's largest gathering of synchronous fireflies.
Bobcat displaced by California's Woolsey Fire gives birth to 4 kittens
April 23, 2019, 9:24 a.m. by Mary Jo DiLonardo
The bobcat had set up a den in someone's backyard.
Brazilian river dolphins are much more social than we thought, biologists find
April 22, 2019, 3:13 p.m. by Ben Bolton
Dolphins were once thought to be loners, but video proves otherwise.
Everything you ever wanted to know about the T. rex but were afraid to ask
April 22, 2019, 9:32 a.m. by Christian Cotroneo
They were tender lovers when they weren't eating each other.
A massive great white shark named Miss Costa is in Florida for spring break
April 18, 2019, 3:07 p.m. by Christian Cotroneo
She's got a name — and even her own Twitter account.
Calf sightings in Cape Cod Bay are big news for endangered right whales
April 15, 2019, 12:23 p.m. by Mary Jo DiLonardo
Two mother-and-calf pairs have been spotted so far this year in Cape Cod Bay.