paleontology
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Toothy 'Penis Worm' is the Stuff of Nightmares
This is bound to make any male cringe. Experts recently determined that the ancient 'penis worm,' Ottoia¬¬ - a phallus-like creature more than 500 million years old - boasted a throat lined with deadly razor and serrated teeth. In fact, these teeth were so varied and numerous that researchers crafted a "dentists' handbook" to help them identify new species in the genus.
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Sheep-Sized Hippos Moved to Africa Even Before Lions and Giraffes
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Ancient Sea Scorpions Had Landlubber Legs
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Ancient Dental Records Reveal The Main Dish on Easter Island
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'Huge' Primate Fossils Hint at Earlier Evolution
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'Swamp Thing' Unearthed: an Ancient Carnivorous Plant
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Four-Toed Horse Reveals Secrets About Ancient Mares
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Uncovering Evidence of a 6th Mass Extinction
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For Fossil Study, "Bird" is Still the Word
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Venezuela's First Dino Predator Unearthed, and He's a Survivor
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Ancient 'Toothy Pelican' Looks Like it Came Straight Out of the Movies
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A Look at Jurassic 'Whale Falls'