Ultra-processed foods make up a huge share of the American diet, and new research suggests they may carry another serious ...

NASA has successfully tested a system that allows satellites to navigate without GPS by using other spacecraft and debris as ...

Researchers used AI to search through more than 100 million possible settings for 3D-printing a high-performance NASA alloy. After only 40 experiments, the system identified six successful ...

Astronomers have captured their clearest image yet of Betelgeuse’s long-suspected companion, potentially ending a search that lasted about 100 years. The surprisingly massive hidden star could help ...

Ancient fossils suggest insects conquered land through a long amphibious phase rather than making an abrupt jump from water to dry ground. A newly identified 324-million-year-old species still carried ...

The belief that huge doses of vitamin C can ward off colds was popularized more than 50 years ago by Nobel Prize winner Linus Pauling. Since then, larger studies have found that vitamin C does not ...

Ancient teeth and human DNA are revealing a surprising history of insect eating. Modern humans in northern Eurasia appear to ...

DNA from a nearly 190-year-old museum specimen has helped scientists confirm a distinct Himalayan pangolin species hiding in ...

Today’s mysterious gravitational-wave background may preserve clues about how the Universe’s first supermassive black holes ...

Moderate calorie restriction lowered an immune protein called C3 that appears to help drive chronic inflammation as the body ...

A Manhattan-sized ice island has broken away from Greenland’s Petermann Glacier after years of growing fractures weakened its ...

Britain’s postwar sugar rationing created a rare natural experiment that let researchers examine how early sugar exposure ...