In school, we learned about the asteroid that wiped out an estimated 76% of all creatures. Scientists now call this the fifth ...

A handful of plankton fossils buried in a small chunk of rock show that the oceans were teeming with life before the Late ...

Add Yahoo as a preferred source to see more of our stories on Google. After an ancient extinction killed about 85% of marine species, survivors in isolated refuges helped jawed vertebrates diversify ...

Humans have been shaping their environment since time immemorial. From cities to farms to highways, our impact has grown so large that we've pushed planetary boundaries, fueling concerns about climate ...

From a small population in eastern Africa to a force capable of altering the atmosphere and driving mass extinction, the ...

Scientists have finally cracked a long-standing mystery about squid and cuttlefish evolution by analyzing newly sequenced ...

Around 250 million years ago, one of Earth’s largest known volcanic events set off The Great Dying: the planet’s worst mass extinction event.... How did these species survive mass extinction events?

Record low levels of Antarctic sea ice are having grim consequences for penguins yet to grow waterproof feathers ...

A remarkable new discovery is shedding light on one of the greatest survival stories in Earth's history, and answering a ...

The climate change crisis is pushing emperor penguins towards the life-threatening danger of extinction. According to the ...

A quarter of a billion years ago, long before dinosaurs or mammals evolved, the predator Dinogorgon, whose skull is shown here, hunted floodplains in the heart of today's South Africa. In less than a ...

About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, and shallow seas shrank fast. Ocean chemistry also shifted hard. In what ...