| June 14 Did Our Sun Have a Twin? | | | |
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| Did our sun have a twin? | | A new analysis suggests the likely answer is yes — though not an identical twin. And so did every other sunlike star. | | | Oldest fossils of our species | | Researchers have uncovered 300,000-year-old fossil bones of Homo sapiens in Morocco. They're the oldest reliably-dated fossil evidence of our species yet. | | | | | | | |
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| | Milky Way transit over the Everglades | Click in to see the video by John Nelson, captured in late May. It's 15 seconds, and consists of 216 separate 20-second exposures. | | | |
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