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Researchers analyzed fossils and DNA to get a big-picture view of sloth evolution and determine what drove their immense size ...
A prehistoric discovery near Hays is shedding some new light on a giant ground sloth species that lived more than 10,000 ...
A partial skull of a 10-foot-tall ground sloth, Megalonyx jeffersonii, was discovered in Ellis County, Kansas, providing new ...
But as the planet cooled again, sloths began to bulk up. The largest ground sloths emerged during the Ice Ages. Big bodies ...
Massive Megatherium sloths once stood as large as Asian elephants, ripping foliage off treetops with prehensile tongues like ...
“That’s enough,” he says at last, lowering me to the dusty ground. Doug Warner, seasoned climber and the rope safety leader for the 2024 expedition, delicately transfers a box of fossils to ...