Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

Earth's history is marked by violent mass extinctions that have shaped life on the planet. Here's how the five mass ...

The planet is seeing a decline in biodiversity, but extinctions are relatively rare and don’t meet the threshold for a sixth ...

The researchers are not the first to propose that the space rock belonged to a group of asteroids that formed beyond the orbit of Jupiter. Their findings, however, strengthen the case thanks to a rare ...

Extinction is a natural byproduct of life and evolution, but an alarming number of species have entered the dustbin of history thanks to human activity — which is anything but natural. "The solution ...

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 ...

Hundreds of species have gone extinct in recent centuries, but losses are few among larger classification levels, meaning we are not witnessing a mass extinction just yet, according to a study ...

After years of searching worldwide, paleontologist Kenneth Lacovara found the extinction layer—and thousands of fossils—just ...