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Credit: NASA E/PO, Sonoma State University, Aurore Simonnet
Artist’s rendition of a black hole.
Matt Daniel's WeatherGlobe
Rare snow storm hits Middle East
Blogus scientificus by Alex Reshanov
Humans aren't top predators, says new report
Earth Trekker by Deanna Conners
It’s time for Audubon’s Christmas Bird Count