Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, ...

Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major Clovis-era sites, researchers found shocked quartz—evidence of intense heat ...

Did mammoths, sabre-tooth tigers and other Ice Age megafauna face a similar, impact-induced fate to the dinosaurs? That’s ...

A new study reveals a rare-breaking white dwarf star, dubbed RXJ0528+2838, that is somehow generating a rainbow-like "bow ...

Spencer Axani, assistant professor in the Department of Physics and Astronomy, is the inventor of CosmicWatch, a portable, ...

Late-stage planetary collisions reshaped Earth and its neighboring planets, delivering water, altering their atmospheres, and influencing their tectonics. New findings suggest these violent impacts ...

Francis Thackeray has received funding from the National Research Foundation. Global cooling that happened millions of years ago was thought to be the result of ocean currents. He suggests instead it ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind ...