In 1977, astronomers detected a powerful, narrowband radio signal that appeared to come from deep space. It lasted just 72 ...

Apple TV aired it at 9 pm ET/6 pm PT, and it became the streamer’s most-watched show, surpassing Ted Lasso and Severance. The ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.