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

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

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 ...

Its outstanding characteristic is that its waves, unlike the waves from ordinary light sources, are coordinated in space and ...

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

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

The FDA says you should not eat, sell or serve recalled eggs. You should also clean and sanitize anything the eggs have ...

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 ...

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

Telling the same story in different ways can change the brain networks that the listener uses to form memories ...

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