Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Take a drive to the CIA’s Area 51 – a route with more UFO sightings and unexplained mysteries than anywhere else on Earth ...

Each question in the ABC 50/50 quiz has only two options: one is right; the other is wrong. But there's a catch.

Long before modern space exploration, scientists proposed astonishing ways to contact extraterrestrials—from giant burning ...

Scientists have rewritten global 'first contact' protocols for how to confirm and announce the discovery of alien intelligence, stressing verification and transparency in an age of deepfakes and ...

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Steven Spielberg’s credulity makes his latest alien contact film, Disclosure Day, mawkish and old-fashioned rather than ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Astronomers turned the Allen Telescope Array toward interstellar comet 3I/ATLAS, formally designated C/2025 N1 (ATLAS), ...