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An astronaut aboard the International Space Station photographed a remarkable formation in Madagascar that looks surprisingly similar to the Moon's bright highlands. Made of anorthosite, a rock abundant on the lunar surface, the formation dates back ...

Neanderthals may have used a sticky substance made from birch bark to treat wounds thousands of years before antibiotics existed. Researchers recreated ancient birch tar production techniques and discovered that every sample could inhibit the growth ...

Scientists accidentally discovered a microscopic organism with a genetic code that breaks a rule researchers thought was nearly universal. While testing a new DNA sequencing technique, they examined a previously unknown protist collected from a ...

A brilliant yellow coral discovered off Costa Rica proved so unusual that scientists had to create an entirely new family to classify it. The meter-tall colonies rise from seafloors covered in brittle stars, inspiring the Tolkien-inspired name ...

New fossils from South Africa are reshaping the story of early human evolution. Researchers have described 18 hominin fossils from Drimolen Cave, including an adult Homo erectus skull fragment dated to about 2 million years ago, supporting evidence . ...

Giving zoo lions whole carcasses on a feast-and-fast schedule appears to bring out more natural behavior. The lions spent nearly three times longer feeding, engaged in more tearing and manipulating of food, and rested more heavily after meals. Their ...

Earth's center of mass is constantly on the move, shifting by a few millimeters as enormous amounts of water, ice, and even air migrate around the planet with the seasons. NASA scientists have developed a more precise way to track these tiny swings . ...

Scientists discovered that disrupting the chemical messages bacteria use to communicate can push dental plaque toward a healthier microbial balance. The approach could lead to new treatments for gum disease that control harmful bacteria without ...

A study comparing 100 primate species, including humans, suggests that everyday aggression and lethal violence did not evolve as part of the same simple behavioral spectrum. Species that frequently fight or show mild aggression are not necessarily .. ...

New research suggests animals could have evolved as early as 800 to 700 million years ago, roughly 200 million years earlier than some previous estimates. If so, the first animals may have lived before or during Snowball Earth, leaving behind little ...