Science

Scientists have diagnosed Down syndrome from DNA in the ancient bones of seven infants, one as old as 5,500 years. Their method, published in the journal Nature Communications, may help researchers learn...

Naturalists have been trying for centuries to catalog all of the species on Earth, and the effort remains one of the great unfinished jobs in science. So far, researchers have named about...

Much of the American space program is run out of nondescript offices in the Washington, D.C., suburbs. That’s where Kam Ghaffarian, the billionaire space entrepreneur, could be found on an auspicious day....

Faster than Gene Kelly tap-dancing in the rain, many species of poison dart frogs tap their middle toes on their hind feet so rapidly it can look like a blur.Three laboratories in...

CooperSurgical, a major medical supply company, is facing a wave of lawsuits from patients who claim that one of its products destroyed embryos created with in vitro fertilization.Fertility clinics across the world...

Hours after the news broke on Wednesday that the United States had picked up worrisome intelligence about Russia’s capacity to strike American satellites, the Pentagon sent a missile-tracking system into orbit, part...

The American artist Jeff Koons watched as a SpaceX rocket carrying 125 of his miniature moon sculptures and other cargo departed from the Kennedy Space Center in Florida during the early morning...

The platypus, a unique egg-laying mammal native to Australia, faces many threats in the wild: climate change, predators, pollution, floods and shrinking freshwater habitats. For males, mating is a dangerous affair that...

The Centers for Disease Control and Prevention is considering loosening its recommendations regarding how long people should isolate after testing positive for the coronavirus, another reflection of changing attitudes and norms as...

Sixty-six million years ago, an asteroid slammed into the Gulf of Mexico. The catastrophe led to the extinction of as many as three-quarters of all species on Earth, including dinosaurs like Tyrannosaurus...