Former U.S. President Barack Obama has clarified comments he made about alien life on a podcast over the weekend.

In this photo provided by El Salvador's presidential press office, a prison guard transfers deportees from the U.S., alleged to be Venezuelan gang members, to the Terrorism Confinement Center in ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

U.S. Immigration and Customs Enforcement arrested more than 100 illegal alien truck drivers on California highways in Operation Highway Sentinel, launched after a string of deadly crashes linked to ...

The search for life beyond our solar system heated up this year when scientists reported a tantalising signal from an exoplanet of a molecule that is known to be produced exclusively by life on Earth.

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...

Assuming our solar system’s newest interstellar object isn’t an alien mothership sent here to menace us, humankind still hasn’t spotted any signs of extraterrestrial life, let alone intelligence — ...

In 1950, famed astrophysicist Enrico Fermi posed a profound question during a casual lunch with colleagues: Where is everybody? In other words, if there’s an extremely high probability that advanced ...

Pam's Colecovision was her babysitter, from the age of 4 or 5, but the family only had one game. Over and over, hour after hour, she'd climb and jump through the three levels of Donkey Kong. But the ...

Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening enough. An outlandish study asserts that aliens might have abducted us ...