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

A group of Chinese scientists is diving deep into the cosmos in search of alien radio signals from the TRAPPIST-1 star system, which might house planets that could support life. This is no small feat, ...

Alien civilizations could eavesdrop on our communications with our spacecraft and rovers, according to a new study – and we might be able to find them the same way. To tell a Mars rover to turn left ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have searched the skies for alien radio signals for more than 60 years, but all they’ve heard so far is what Search for ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...