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Fossil Discovery Sheds New Light on Evolution of Higher Primates
A team of researchers has announced the discovery of Afrasia djijidae, a new fossil primate from Myanmar that illuminates...
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How Infectious Disease May Have Shaped Human Origins
Roughly 100,000 years ago, human evolution reached a mysterious bottleneck: Our ancestors had been reduced to perhaps five to...
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Supermassive Black Hole Ejected From Its Home Galaxy
The Chandra X-Ray Observatory announced that’s it has observed something unprcedented: a supermassive black hole being ejected from its...
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Giant Insects Shrunk as Birds Entered Prehistoric Skies
Millions of years ago, oversized insects like griffinflies boasting wingspans comparable to today’s hawks scuttled across (and fluttered above)...
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Are We in the Midst of a Sixth Mass Extinction?
Nearly 20,000 species of animals and plants around the globe are considered high risks for extinction in the wild....
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Mysterious Radiation Burst Recorded in Tree Rings
Just over 1,200 years ago, the planet was hit by an extremely intense burst of high-energy radiation of unknown...
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The Enigma 1,800 Miles Below Us
Geologists have long known that Earth’s core, some 1,800 miles beneath our feet, is a dense, chemically doped ball...
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Cosmic Calculations: Astrophysicists Explore Where Stars Are Born
A University of Delaware-led research team reports an advance in the journal Science that may help astrophysicists more accurately...
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When Galaxies Collide
Astronomers have used the Hubble Space Telescope to work out when precisely our Milky Way Galaxy will crash into...
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Stars Reveal Early History of Milky Way
A new way to find a star’s age can give clues to how our Milky Way galaxy built itself...