National Geographic This Summer Solstice, Earth's Days Are Longer Than Ever 2018-06-20T21:20:55.000000000+00:00 Earth hasn't always had a 24-hour day. Here's what that means for the June solstice. Why T. Rex Couldn't Waggle Its Tongue 2018-06-20T19:34:00.000000000+00:00 Scientists were in for a surprise after peering inside the mouths of modern alligators and birds. Can Bees Help Save Elephants From Train Strikes? 2018-06-20T18:55:00.000000000+00:00 In India, where elephants are hit by trains, people are trying innovative solutions. This Bird Has Been Singing the Same Song for 1,000 Years 2018-06-20T16:06:26.000000000+00:00 The American swamp sparrow’s amazing ability to pass down its song perfectly is an example of handing down a cultural tradition, scientists say. After Fleeing War, Refugee Children Face Lasting Psychological Trauma 2018-06-20T14:21:48.000000000+00:00 In Lesbos, Greece, young refugees cope with a growing mental health crisis. These Groundbreaking Photos Show Two Worlds in One 2018-06-20T10:00:00.000000000+00:00 Photographer David Doubilet's "over-under" images present a view of the ocean most people will never get to experience. Some Rivers Are So Drug-Polluted, Their Eels Get High on Cocaine 2018-06-20T10:00:00.000000000+00:00 Illegal drug residues in the water could be affecting native fish. Why This Rare Lobster Is Colored Like Blue Cotton Candy 2018-06-19T20:18:33.000000000+00:00 The critter’s pastel rainbow hues may be the result of a genetic mutation or an unusual diet. Why Great White Sharks Hang Out in Warm Whirlpools 2018-06-19T18:58:47.000000000+00:00 New research on famous white sharks Mary Lee and Lydia shows the giant fish spend a surprising amount of time in warm oceanic eddies. Would a U.S. Space Force Be Legal? Get the Facts. 2018-06-19T17:42:22.000000000+00:00 With the president calling for a new military branch, get the pros and cons of the plan and find out what the U.S. military is already doing off-world.