Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

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

For centuries, humans have gazed at the stars and wondered whether we are alone in the universe. The question of ...

Real scientific efforts at universal communication have also involved mathematics and numbers. The covers of the Golden ...

The director behind one of the year’s buzziest UFO documentaries is now openly suggesting that a sitting president could be the person who finally tells the world whether intelligent life exists ...

Recent observations suggest that scientists have identified potential microbial fingerprints in the atmospheres of other planets, raising intriguing questions about the possibility of alien life ...

The Deep Space Network (DSN) is just the sort of tool aliens could one-day detect, transmitting from Earth. Credit: NASA/JPL What if the first signal ever detected from an alien lifeform wasn't a ...

A new study presented at the 2025 EPSC/DPS Joint Meeting proposes that the rarity of specific geological and atmospheric conditions necessary for technologically advanced life significantly limits the ...

Three years into its mission, the James Webb Space Telescope has advanced the search for alien life more than any machine before it. What will it find next? When you purchase through links on our site ...

Donald Trump may be on the brink of publicly acknowledging the existence of extraterrestrial life, RadarOnline.com can reveal. The president could be poised for astonishing admissions on aliens, ...

The following is an excerpt from First Contact: The Story of Our Obsession with Aliens, by Becky Ferreira. When you purchase products through the Bookshop.org link on this page, Science Friday earns a ...