If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." When you purchase through links on our site, we may earn an affiliate ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a ...

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs of alien life. Despite its extensive efforts, the universe remains eerily ...

The comet 3I/ATLAS is taking a long holiday journey this year. It's visiting from another solar system altogether. It's the third interstellar object recorded passing through our solar system.

Reported UFO during the Apollo 12 mission, released from the UFO files (Image: Department of War) Newly declassified UFO files released under President Donald Trump's orders include a disturbing ...