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Why is there a genetic risk for brain disorders? Neandertal DNA may offer answers

In a study from the University of Tartu, scientists found Neandertal DNA may provide answers to why there is a genetic risk for brain...

Dinosaur-killing asteroid triggered mega-earthquake lasted weeks to months

66 million years ago, a 10-kilometer asteroid hit Earth, triggering the extinction of the dinosaurs. New evidence suggests that the Chicxulub impact also triggered an...

Ancient sharks appeared much earlier than previously thought

A handful of fossil teeth from a completely new species, uncovered from rock samples found in China, suggest jawed fish emerged sometime at the...

9 ways to prevent firearm tragedies near you

From schools and malls to city streets and suburban homes, incidents involving firearms have caused injury and death across America and ignited a national...

Scientists find tiny Triassic specimen is an early relative of pterosaurs

A new study of a tiny Triassic fossil reptile has revealed it to be a close relative of the species that would become pterosaurs. A...

Dinosaur-killing asteroid triggered global tsunami, shows study

The miles-wide asteroid that struck Earth 66 million years ago wiped out nearly all the dinosaurs and roughly three-quarters of the planet’s plant and...

Vredefort crater asteroid was bigger than one that killed off dinosaurs

The impactor that formed the Vredefort crater, Earth’s largest, about two billion years ago, was probably much bigger than previously believed—and would have had...

What a reptile’s bones can teach us about Earth’s perilous past

An extinct reptile’s oddly shaped chompers, fingers, and ear bones may tell us quite a bit about the resilience of life on Earth, according...

This ancient shark from China is humans’ oldest jawed ancestor

Living sharks are often portrayed as the apex predators of the marine realm. Paleontologists have been able to identify fossils of their extinct ancestors that...

Scientists discover moon asteroid impacts mirrored on Earth

Scientists have found asteroid impacts on the Moon millions of years ago coincided precisely with some of the largest meteorite impacts on Earth, such...