EVOLUTION

Why do we even have them? Let's get to the root of the issue.

If you can't resist puckering your mouth when you lick a lemon or snack on Sour Patch Kids, you can thank evolution.

Fans of '90s alternative music may recall King Missile's big single, "Detachable Penis." While the song may have been silly, it turns out than in the animal world, the idea isn't all that bizarre—at least not to the sea slug Chromodoris reticulata.

Chimpanzees share about 98 percent of their genes with humans, but you wouldn't want to invite this side of the family over for dinner.

Wondering how to stop a baby from crying? Unfortunately, the answer doesn’t involve sinking into your comfiest armchair.

Scientists are making ancient French grape vines less susceptible to diseases—and less likely to cause hangovers—through gene editing.

Some wolf puppies will retrieve balls for perfect strangers, suggesting that the species may be genetically predisposed toward the adorable behavior.

The discovery of 10 bird species and subspecies on three remote islands in Indonesia marks the first time in over a century that so many new birds have been found in such a small area.

The paleo diet recommends eating low-carb foods like our ancient ancestors if we want to reach optimum health. But it turns out that early humans in the Paleolithic era dined on more than just meat.

Why aren't elephants and giraffes the size of brontosauruses and other dinosaurs that we know were enormous?

There's a genetic reason why you can (or can't) smell asparagus pee.

The pressures of ivory poaching have reshaped African elephant populations in just a few decades.