Ranging from a threatening hiss to a blood-curdling scream, the sound of the Aztec death whistle is as creepy as the ...

In the early Universe, long before they should have had time to grow, astronomers have found what they're calling 'red ...

In January 2022, the most powerful explosion ever recorded with modern instruments rocked the South Pacific. Now, scientists ...

Only one of the pyramids at the site was damaged, but personnel from Mexico's National Institute of Anthropology and History ...

Octopuses are masters of camouflage and disguise. An alarmed octopus can vanish even while you watch, flawlessly transforming ...

Millions of people in the US and around the world suffer from urinary tract infections every year. Some groups are especially ...

Bad news for any extreme exercise junkies out there: excessive vigorous exercise could muffle your immune system.

If you were lucky enough to observe a total eclipse, you are certain to remember the halo of brilliant light around the Moon ...

In all our explorations of Mars to date, no evidence has been found that meets the rigorous standards to claim that we have ...

First, it's a prime number (meaning it is only divisible by itself and one). Second, it's what is called a Mersenne prime (we ...

In 1896, German chemist Emil Fischer noted something very strange about a molecule named acetaldehyde phenylhydrazone.

While it's not possible to stop the brain from aging – at least not yet – there might be ways to slow down its decline, and a ...