Faced with extreme drought, these flowers adapted. Scientists call it “evolutionary rescue," and say it's a hopeful sign for ...

Cute but cantankerous, koalas are making a surprising recovery from a genetic bottleneck, with their once most-threatened populations now displaying a surprising diversity. “It still looks like ...

The cactus on your windowsill may grow slowly, but new research shows that cacti are surprisingly fast at creating new species. Biologists have long thought that pollinators and specialized flowers ...

Wild scarlet monkeyflowers in California survived a historic drought by relying on a rapid evolution, marking the first time the process has been observed in the wild.

The asteroid impact that wiped out the dinosaurs didn’t keep life down for long. New research shows that microscopic plankton began evolving into new species within just a few thousand years—and ...

The tiny Amazon molly (Poecilia formosa) has always fascinated researchers because, according to the rules of evolution, it shouldn't have survived as a species, let alone thrive as a species for over ...

The cactus on your windowsill may grow slowly, but new research shows that cacti are surprisingly fast at creating new species.Biologists have long ...

Older than dinosaurs, these 8 ancient fish existed millions of years earlier and some still survive today in oceans, rivers and deep waters.

Life on Earth began to recover much faster than previously thought, after the fall of an asteroid that destroyed the ...

Partula snails all but vanished from Polynesia after the arrival of a carnivorous foreign snail. But a global alliance of ...