Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...

Add Yahoo as a preferred source to see more of our stories on Google. Turbulent star environments may broaden alien radio signals, making them harder for SETI to detect. (CREDIT: Shutterstock) Radio ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

Here’s what you’ll learn when you read this story: The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we ...

A search for aliens communicating between planets in one of the most promising systems to look for life has come up empty. Discovered in 2017, TRAPPIST-1 is a system of seven Earth-sized planets ...

The search for extraterrestrial intelligence (SETI) has been ongoing since the 1960s, yet no confirmed signals from alien civilizations have ever been detected. A new study published in Astrophysical ...

Astronomers discovered the TRAPPIST-1 system, a family of tightly packed planets swarming a red dwarf star, about eight years ago. Credit: Mark Garlick / Science Photo Library / Getty Images ...