Cold Case Closed: Scientists Pin 33,000-Year-Old Murder on a Left-Handed Paleo Killer

One of the coldest cases on record — a man's mysterious death about 33,000 years ago — has finally been solved: a left-handed murderer killed the man by smashing his skull with two consecutive blows, a new study finds.

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Satellite Image Captures a Total Solar Eclipse and a Hurricane in One Awesome Shot

The GOES-West weather satellite captured the gorgeous shot.

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Miners Looking for Gemstones Find Ancient Sea Monster Instead

Miners digging for gemstones found something entirely different last month; the fossilized remains of an ancient sea monster.

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Cosmic Fireworks Glow Red, White and Blue in Epic Hubble Photo

In the 1840s, a mysterious explosion made Eta Carinae the second-brightest star in the sky. Now, NASA has discovered a peculiar secret in the violent star's red, white and blue fallout.

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Why Blue Fireworks Are So Rare

Here's the chemistry behind those awesome fireworks shows.

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3rd Mysterious Deep-Space Flash Traced to Host Galaxy

Cosmic explosion was traced to a big galaxy about 7.9 billion light-years away from Earth.

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Exotic 'Early Dark Energy' Could Be the Missing Link That Explains the Universe's Expansion

Measures of the universe's expansion taken from different sources don't match. An exotic form of dark energy particles could be the reason why.

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