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 ...

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

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 ...

Oxytocin is often thought of as a "love drug," and is linked with all kinds of feel-good emotions in people such as trust, empathy and generosity. Increasingly, however, scientists are finding that ...

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 ...

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 ...