A few fossilized body parts hinted at an enigmatic bird's close ties to waterfowl like ducks and geese. A newfound skull may bolster that idea.

Around 66 million years ago, Earth underwent a catastrophic event that wiped out nearly 75% of all species, including the dinosaurs. This wasn't the first mass extinction in our planet's history ...

But scientists debate if that’s sufficient evidence to conclude that Earth is undergoing a mass extinction event—or whether that’s even a helpful designation. After a year teaching an algorithm to ...

Here are four animals that managed to persist through Earth’s mass extinction events. Additionally, horseshoe crabs have a reproductive strategy that includes spawning in large numbers ...

While the series deals with Earth’s history on a geological ... So it’s not a sixth mass extinction event that we’re precipitating, it’s a mass extermination event.” ...

The Ordovician period, which lasted from about 485 to 444 million years ago, is a significant era in Earth's history, marked by a rich diversity of marine life and notable mass extinction events.

Researchers at the University of Southampton have shown that a mass extinction event 360 million years ago was caused by a brief breakdown of the ozone layer that protects Earth ...

Alinda isn't predicted to make another close approach to Earth until 2087. While an asteroid this big could trigger a mass extinction event if it were to collide with Earth, its large size also ...

We're in the midst of the Earth’s sixth mass extinction crisis. Harvard biologist E. O. Wilson estimated that 30,000 species per year (or three species per hour) are being driven to extinction.

Previous studies have posited that the mass extinction that wiped the dinosaurs ... the survival of at least 25% of species on Earth following the event. While sulfur remains the primary driver ...