Scientific breakthroughs that make chemistry safer, more efficient and more sustainable will be honored by the American ...

NASA’s Curiosity rover has identified a nitrogen heterocycle in a 3.5-billion-year-old Martian rock, a type of molecule that ...

Some harlequin frogs have lost their poison—and their ability to defend themselves. Scientists are on the case.

National Geographic Explorers celebrate the greatest American treasures—mountains, forests, wetlands and canyons—from sea to ...