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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 ...

At least two mass extinction events in Earth's history were likely caused by the 'devastating' effects of nearby supernova explosions, a new study suggests. Researchers say these super-powerful blasts ...

At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova explosions, a new study suggests. Researchers at Keele University say these ...

Will two rare supernovas finally tell us how fast the universe is expanding? Perhaps, but we'll have to wait for it for them ...

What happens to a large star near the end of its lifetime before it explodes as a supernova? This is what a recent study ...

An artist's impression of cosmic rays impacting molecules and atoms in the Earths atmosphere. A new study suggests that cosmic radiation from a supernova explosion 2.5 million years ago may have ...

The universe is a chaotic place filled with exploding stars, material falling into black holes, and rogue planets wandering off on their own. All that chaos makes astronomers suspicious when they ...

Bulletin: The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Southeastern Bucks County in southeastern Pennsylvania... Southeastern Montgomery County in southeastern ...