A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

Elle Fanning says Colin Firth rushed to help after she fainted because her dress was too tight: 'Very dramatic' Helicopter appears to crash into slackline in Arizona, killing all passengers Hundreds ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Radio telescopes have long scanned quiet patches of sky for a lone, artificial-sounding ping, but a growing body of research ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

It feels like every week now we're writing a new article about how 3I/ATLAS is not an alien technology. But it's worth ...

Since its discovery, some people have speculated that interstellar visitor 3I/ATLAS could be alien technology. Harvard astrophysicist Avi Loeb points to its unusual trajectory and composition as ...

I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

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 ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush. When you purchase through links on our site, we may ...

Saturn's giant moon Titan may not have a vast underground ocean after all. Titan may instead hold deep layers of ice and slush more akin to Earth’s polar seas, with pockets of melted water where life ...