Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that ...

They’re hole-ar powered. If super-advanced alien civilizations exist, they would surely require insane amounts of energy to ...

Humans like to assume that an advanced alien civilisation would be calm, logical and morally reasonable. But intelligence ...

Last June, while most of us were sweating it out and scrolling socials, more than two dozen of the best scientific minds in ...

Researchers are zeroing in on more deliberate “narrow-band” alien signals, well outside the radio frequencies SETI has ...

Between biosignatures and technosignatures lie noosignatures, and some scientists think they could help us find alien life ...

Most alien-signal searches listen to a narrow part of the radio spectrum, but astronomers are now testing higher frequencies that have barely been explored. A first search using archived ALMA ...

One of the challenges of searching for technosignatures (i.e., signs that intelligent life somewhere in the universe has ...

Astronomers might be hunting for alien signals in all the wrong places. A new ...

Thomas Mulligan explores the profound scientific, technological, and cosmic barriers that explain why humanity may never ...

The Alien Terrorist Removal Court was created by Congress in 1996 and signed into law by President Bill Clinton. Before now, ...

A NASA Curiosity rover image has sparked claims of an 'alien missile' on Mars, though NASA attributes such formations to ...