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 ...

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

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 ...

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

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

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

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 ...

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