Fresh scientific findings highlight two major gaps in the hunt for alien life.

A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

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

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

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 ...

( NewsNation) — Astronomers seeking signs of alien life may have been listening to the wrong spectrums, a new study found.

Astronomers may have been listening for alien civilizations in only a small slice of the radio spectrum while overlooking a largely unexplored range of higher frequencies. Using archived data from the ...

Earth may already be broadcasting its presence to alien civilizations without realizing it. A new study shows that our deep-space transmissions, especially those aimed at Mars and interplanetary ...

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million ...

(cokada/iStock/Getty Images Plus) Last June, while most of us were sweating it out and scrolling socials, more than two dozen ...

The odds that we’re the only intelligent life out there seem pretty slim. But if we do one day detect an alien civilisation, ...