For decades, astronomers have chased fleeting hints that something alive might be lurking beyond Earth, only to watch each ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Is there proof aliens exist? 👽 Explore the most convincing scientific evidence for extraterrestrial life, from exoplanets to ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

Astronomers are using China's powerful FAST radio telescope to chase after 100 intriguing signals detected by the SETI@home ...

States that voluntarily submitted data to a federal program learned there was not evidence of the kind of widespread ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien technology.

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

Elon Musk doesn't believe aliens have visited planet Earth and thinks UFOs have more to do with the United States government and less with little green men, RadarOnline.com can reveal. The world's ...

Assuming our solar system’s newest interstellar object isn’t an alien mothership sent here to menace us, humankind still hasn’t spotted any signs of extraterrestrial life, let alone intelligence — ...

A “selfie” taken by the Perseverance Mars rover as it examines Cheyava Falls, an arrowhead-shaped rock in the center that contains potential biosignatures of past Martian life. Credit: ...