It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

Fans of the Predator franchise should check out these 15 other movies featuring alien threats, outer-space terror, and ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...

There may be good reasons to object to using animals as living organ factories, including welfare concerns. But the rationale ...

Officials revealed that an alleged human smuggling operation involving over a dozen individuals has been uncovered inside a Texas home. Authorities with the Texas Department of Public Safety and ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...