National Geographic Do Big Cats Get Hairballs? 2018-03-17T04:00:00.000000000+00:00 Domestic cats often hack up gooey mats of fur, but it's rare in their larger kin. 10 Strange Things You (Probably) Didn't Know About Earth 2018-03-16T21:40:00.000000000+00:00 The planet we all call home is even more bizarre than you might imagine. Ferocious Eagle Attack Captured in Slow Motion 2018-03-16T20:31:00.000000000+00:00 The birds of prey get into frequent tussles that can lead to serious injury. Why You Shouldn't Eat a Slug (In Case You Need Reasons) 2018-03-16T20:13:01.000000000+00:00 Hint: A brain-infesting worm carried by gastropods is spreading around the world. A Running List of How Trump Is Changing the Environment 2018-03-16T20:08:00.000000000+00:00 The Trump administration has promised vast changes to U.S. science and environmental policy—and we’re tracking them here as they happen. Five New Fossil Forests Found in Antarctica 2018-03-16T19:00:03.000000000+00:00 Hundreds of millions of years ago, Antarctica was carpeted with prehistoric greenery. Now, scientists may have uncovered clues about what happened in the "Great Dying," or Permian extinction. These Adorable Squirrels Are Also Baby-Killing Cannibals 2018-03-16T18:36:30.000000000+00:00 Think squirrels are cute and cuddly? Think again. Scientists find evidence of infanticide and cannibalism in the Yukon. Once Written Off for Dead, the Aral Sea Is Now Full of Life 2018-03-16T04:02:12.000000000+00:00 Thanks to large-scale restoration efforts, the North Aral Sea has seen a resurgence of fish—a boon to the communities that rely on it. Two-Headed Snake Has Extremely Rare Double Hearts 2018-03-15T21:44:24.000000000+00:00 Vets say the boa constrictor is a Siamese twin contained in one outer skin. 'Feeling' Recreated in Amputees' Robotic Arms—Here's How 2018-03-15T21:30:46.000000000+00:00 The discovery may help amputees feel more control over their artificial limbs.