The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper.
No bombshells so far in the latest Pentagon batch of declassified Unidentified Anomalous Phenomena files. But they show the CIA hid its involvement.
A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.
A galaxy roughly 12.5 billion light-years from Earth is pumping out energy equivalent to hundreds of trillions of suns, a ...
For decades, the question of whether life exists beyond Earth has been the domain of science fiction writers and late-night ...
While telescopes like the James Webb Space Telescope (JWST) can detect the chemical fingerprints of distant atmospheres, ...
A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...
Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...
A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...
New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...
The expansion of the universe is still accelerating under the influence of dark energy, despite recent claims to the contrary ...