Livescience The Missing Link: Where Are Medium-Size Black Holes? 2017-06-24T08:40:00.000000000-04:00 For decades, while astronomers have detected black holes equal in mass either to a few suns or to millions of suns, the missing-link black holes in between have eluded discovery. Why Do Some Animals Eat Their Own Poop? 2017-06-24T08:38:00.000000000-04:00 Why do some animals poop, and then turn around and eat their own droppings? Forensic Dogs Enlisted in Search for Amelia Earhart's Bones 2017-06-24T08:25:00.000000000-04:00 This summer marks the 80th anniversary of Amelia Earhart's disappearance. In the latest search for clues, archaeologists and dogs will go to a remote Pacific island to look for bones. Customizable 'Smart' Exoskeleton Learns from Your Steps 2017-06-23T11:13:00.000000000-04:00 Assisted walking just got smarter. The Most Interesting Science News Articles of the Week 2017-06-23T11:00:00.000000000-04:00 Here are the most interesting, amazing and unusual things that happened in the world of science this week. A recap of Live Science's best. The Gulf of Mexico's 'Dead Zone' Could Nearly Double in Size This Year 2017-06-23T10:43:00.000000000-04:00 Agricultural runoff and biological waste from the Mississippi River fuel algae blooms each year in the Gulf of Mexico, depleting marine oxygen and sometimes triggering massive die-offs. Satellites Keep Eye on Huge Crack in Antarctic Ice Shelf 2017-06-23T10:43:00.000000000-04:00 The Larsen C ice shelf is about to calve one of the biggest icebergs on record. And space agency satellites are watching. Planet 10? Another Earth-Size World May Lurk in the Outer Solar System 2017-06-23T10:36:00.000000000-04:00 Another planet-size object may be orbiting beyond Pluto in the far, icy reaches of the solar system. Amazing Images: The Best Science Photos of the Week 2017-06-23T10:34:00.000000000-04:00 Here are the stories behind the most amazing images in the world of science this week. A recap of the coolest photos featured on Live Science. What Is Raspberry Ketone? 2017-06-23T10:20:00.000000000-04:00 Raspberry ketone is touted as a weight-loss aid. But how strong is the evidence that taking raspberry ketone supplements may actually help you lose weight? And is it safe? Here's what experts had to say.