Former NASA officials warn that the U.S. looks poised to lose its self-declared race to beat China to the moon ...

Melissa is a relatively slow-moving Category 4 major hurricane—a brutal combination that will drench some parts of Jamaica with up to 40 inches of rain ...

After a quiet summer, bird flu cases are rising again. Scientists expected the development, but what happens next is still ...

Disease-causing bacteria that have been recently discovered in the teeth of Napoleonic soldiers may have spurred the massive ...

To celebrate Scientific American ’s 180th anniversary, we’re publishing jigsaw puzzles to show off some of our most ...

Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...

Cliff-rappelling scientists uncovered a crossbow bolt, part of a slingshot and 25 shoes in ancient vulture nesting sites ...

Less than 1 percent of clinical trials include pregnant or breastfeeding people. Experts say that needs to change ...

Wyoming’s “dinosaur mummies,” once thought to preserve fossilized flesh, are actually detailed clay molds formed by microbes ...

Quantum echoes” rippling through Google’s quantum computer chip Willow could lead to advances in molecular chemistry and the ...

Should you take vitamin C or zinc when you are sick with a common cold or influenza? Immunologist Zachary Rubin explains ...