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Dinosaurs are long gone, but scientists keep finding new types of the extinct creatures. Two recent discoveries are providing insight into North America’s distant past. In May, the fossil of a 110-million-year-old armored herbivore went on display at the…
A 3-year-old pit-bull mix named Ninja trots into a lab at Emory University, in Atlanta, Georgia. She catches sight of the magnetic resonance imager (MRI)—a clanging, coffin-like machine—and leaps happily onto the table. Ninja has been trained to sit still…
A solar eclipse will cross the continental United States on August 21, from Salem, Oregon, to Charleston, South Carolina. Millions of people will witness the spectacular space event. They won’t show up just because solar eclipses are extremely beautiful. They…
A total solar eclipse will cross the United States on August 21, 2017. In a total solar eclipse, the moon moves directly between the Earth and the sun. The moon completely blocks the sun and casts a shadow on Earth.…
Researchers are looking to nature for innovative ideas. Imagine a world where everyday objects produce their own light. Glowing trees illuminate city streets. Crops gleam to signal that they need water or they are ready to be picked. Street signs…
Half of the world’s coral reefs have died in the last 30 years. The fight to save the remaining reefs just got more complicated. New research shows that even if people succeed in protecting reefs from pollution and overfishing, global…
For a mother and kids at the Philadelphia Zoo, in Pennsylvania, it was a close encounter of the ferocious kind. Directly in front of them was a Siberian tiger. But the family did not panic. They laughed. The tiger was…
New Zealand plans to get rid of rats, possums, and other mammals by 2050. The country hopes to save native birds from these invasive species. Rats are not many people’s favorite animal. But in most places, people have to learn…
Vultures play an important role in ecosystems. With vulture populations dropping fast, researchers are racing to save these strange birds. Vultures are often portrayed as scary creatures, circling above a wounded animal, waiting for its death—and their dinner. Their bald…
Thanks to government protections, grizzly bears have bounced back from near-extinction. But can they survive in the wild without help? Grizzly bears have all but disappeared from the continental United States (see map). But there’s one place where the top…
