The interstellar visitor 3I/ATLAS has turned into one of the strangest shows in the sky, shifting to a vivid blue and ...
When astronomers first picked up a perfectly regular radio heartbeat from deep space in 1967, some of them half-jokingly ...
For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could they hear us? A new study combining data from Penn State and NASA’s Jet ...
Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...