The most significant asteroid so far to hit Earth was 66 million years ago. The mountain-size asteroid struck South America ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

A research team linked nearby stellar explosions to at least one, possibly two, mass die-offs after calculating the supernova ...

For decades, the prevailing theory behind the mass extinction that ended the reign of the dinosaurs has pointed to a ...

GRAND FORKS, ND — Astronomers have turned their high-powered telescopes toward a 100-meter wide asteroid hurtling in its orbit through the Milky Way galaxy and are hoping it doesn’t collide ...

Once again, sea creatures took the biggest hit. Theories point to rising and falling sea levels, climate change, or even asteroid impacts. One idea suggests that expanding plant life on land may ...

It’s fun to imagine secret dinosaur survivors living today, hidden in a remote corner of Earth. But the truth of who made it ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of ...