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MEDITERRANEAN/GETTY IMAGES Why Scientists Are Rethinking What They Know About Greenland Sharks
Everything about them screams old and ancient. But what’s really going on?
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THE PALMER/GETTY IMAGES Ancient Kangaroos Were Absolutely Humongous, But They Could Still Hop
These kangaroo behemoths, covered in muscles, were theoretically roughly as springy as modern-day kangaroos.
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Mary Parrish/NMNH Everything We Know About Prototaxites, the Giant Organism That Came Before Trees
This thing should not exist, and that’s exactly the problem.
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Photo: ULRICH PERREY/dpa/AFP via Getty Images Bumblebees Can Now Understand Morse Code
It’s increasingly clear that “small brain” doesn’t mean “simple mind.”
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