Stellar explosion in Earth's proximity

When the brightness of the star Betelgeuse dropped dramatically a few months ago, some observers suspected an impending supernova—a stellar explosion that could also cause damage on Earth. While Betelgeuse has returned ...

New Kenyan fossils shed light on early human evolution

Fossils discovered east of Africa's Lake Turkana confirm that there were two additional species of our genus—Homo—living alongside our direct human ancestral species, Homo erectus, almost two million years ago. The finds, ...

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