BOULDER, Colo. — A massive star exploded around 13,000 years ago, and research now suggests that the cosmic blast may have plummeted Earth into a sudden ice age while wiping out woolly mammoths, giant ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Mark Garlick/Science Photo Library/Getty Images When the bright star Betelgeuse explodes, ...

A supernova would have to be fairly close to Earth to pose any real threat to our planet. For astronomers, though, “close” means something different than it does for other people. In this case, a ...

If Earth-like planets require an extremely rare supernova encounter, then water-depleted rocky planets might be exceptional. But if cosmic-ray immersion is sufficient—and common—then the conditions ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the journal Science Advances. It suggests that when our solar system formed, a ...

To estimate how close a supernova would have to be to cause serious damage to Earth, we must first look at a supernova's destructive capabilities. When you purchase through links on our site, we may ...