It's the first species of crocodile formally described in more than 80 years.
Crows are much smarter than we thought -- and one, in particular, seemed like a moody genius.
Here's another way we're disrupting wildlife.
Although this mammalian forerunner still reproduced like a reptile, the fossils shed much light on our own evolution.
The findings suggest that the mechanism would probably work on humans too.
Who's a good boy? All dogs, that's who. But some have more problems than others.
Have you ever noticed a giraffe's patterns?
Saving biodiversity makes more sense than waiting millions of years for it to re-evolve.
Ancient sponges were among the first animals that scientists have been able to identify.
The airborne mammals split from their tree clinging cousins much earlier than thought.
Things start to change when you've been living in the dark for millions of years.
Who took the lights out?
The chain of seamounts is brimming with underwater life.
In Ethiopia's grasslands, huge herds of gelada monkeys might be in the process of domesticating wolves.
It's not about the fight, it's about what leads to the fight.
Faced with the hot and dry savannah, the African elephant evolved a creative solution.
PCBs have been banned almost two decades ago but their effects are still widely felt by the iconic orcas.
A remarkable finding, already highly vulnerable.