How scientists are searching for signs of alien technology across the Galaxy ...

Just over 40 years ago, in his novel Contact, astronomer Carl Sagan imagined what it would be like to detect radio signals beamed from other intelligent lifeforms in the galaxy. In the story, these ...

Some UFO cases remain difficult to explain, but that is only the beginning of the scientific question. The evidence needed to ...

Some scientists believe the sheer number of stars, planets and potentially habitable environments in space makes extraterrestrial life plausible. But plausibility is not proof. Despite decades of ...

Scientists around the world have spent decades pointing radio telescopes at the sky, hoping to catch that one signal proving we’re not alone in the universe. But now researchers at SETI are asking: ...

The United States government's recent release of hundreds of previously classified unidentified anomalous phenomena (UAPs) cases spanning the 1940s to the present, along with the new Steven Spielberg ...

Are there no alien signals to find... or do we need to update how we search for them? We’ve been looking for messages from the stars ever since Frank Drake pointed the Green Bank radio telescope at ...

(via Big Think) Astrophysicist Sara Seager has spent decades expanding how we search for life beyond Earth: not by asking what we would look like out there, but by imagining forms of intelligence that ...

Staring into the starry night sky convinces many of us that we can’t be alone in this universe. So far, astronomers have been looking for alien signals in a specific part of the radio spectrum, which ...

Natural sorting of ocean salts in icy vents on Saturn’s moon could aid the search for life, researchers report. With a global ocean of liquid water below a thick crust of ice, Saturn’s moon Enceladus ...

In March 2026, SETI Institute researchers contributed to a wide range of conversations about our solar system and the search for life beyond Earth. From explaining unusual features on Mars and ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. And so did scientists involved in the search for extraterrestrial ...