For four decades, many SETI experiments have focused on finding sharp spikes in frequency but the new study says signals may not stay narrow as they travel away from their home system.

All things that go up must eventually come down. NASA says that its Van Allen Probe A satellite has fallen precipitously back to Earth after a 14-year journey through space. The probe reentered the ...

A startup called Reflect Orbital wants to send thousands of mirrors up into space to bounce sunlight to the dark side of the planet. NBC News’ Tom Costello speaks to the CEO Ben Nowack on how he plans ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the ...

Project Hail Mary' is a smart piece of sci-fi filmmaking anchored by a reliably charismatic Ryan Gosling becoming best buds with an alien spider-rock.

Turbulent plasma near distant stars could blur ultra-narrow signals before they leave their home star systems - making them ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Recent media coverage highlights the wide range of research, education, and scientific perspectives emerging from the SETI ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

Avi Loeb, who challenged scientists on the true origin of 3I/ATLAS, reckons alien life form will make contact with us soon ...

Hundreds of people who love the little planet that was dissed, gather every year in the Arizona town where Pluto was ...