Swimming in Sperm and EggsCoral sex is explosive, exquisitely timed, and funky.
Could Humans Go Extinct?There’s a chance we’re living in end times.
Alligators in Your BackyardThanks to climate change, the cold-blooded giants are lurching north.
The Great “Do Bears Hibernate?” DebateTheir sleeping patterns are weird. Their sex is weirder.
What Really Killed the Dinosaurs?“An asteroid 65 million years ago” is no longer enough.
Owl vs. OwlShould the government shoot the spotted owl’s new enemy, the barred owl?
Are Red Wolves Worth the Trouble?Only 100 live in the wild, and rising seas are lapping up their land.
Conservation TriageSay you have an ark. Which species do you save?
Are Oysters Doomed?Don’t believe in climate change? Talk to a clam digger.
Namibia’s Most Horrifying, Fascinating WildlifeForget the cheetahs, giraffes, and rhinos. Behold the armored ground cricket.
Everything You Wanted To Know About Quokkas, Courtesy of a QuokkaAm I the world’s most adorable creature?