Comet Leonard, which last passed by Earth 80,000 years ago, has been dazzling the night sky before Christmas, and there's only a few days left to see the celestial object before it disappears forever.
(KTLA) – This time last year, skygazers were treated to the “Christmas Star,” when Jupiter and Saturn aligned and appeared the closest together from Earth’s vantage point in nearly 800 years. Flash ...
Christmas Day in 1809 saw a surgical first thanks to Dr Ephraim McDowell, the American physician who performed the world’s ...
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