Neil deGrasse Tyson gave a rousing defense of scientific principles in his characteristic brash way during his Purdue ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these ...

Hole in the Sky, by Daniel H. Wilson, is one of Scientific American’s best fiction picks of 2025. In the novel, aliens talk ...

A stunning new NASA-backed study reveals that Ceres, a dwarf planet between Mars and Jupiter, may have had the right ...

Matt Dinniman introduced his series about an alien reality TV show free on the web. But readers ate up the goofy humor, now ...

Mysterious red lights falling from space, initially thought to be alien signals, have been identified by scientists as red ...

Harvard scientist Avi Loeb claims the interstellar object 3I/ATLAS may be alien technology sent to seed life on Earth, ...

A mysterious red jellyfish-like flashes, which were spotted in the sky, sparked rumours about aliens sending signals to our ...

He cited the astronomical gaffe in January, when The Minor Planet Center in Cambridge, Mass., announced the discovery of an ...

Tech mogul Elon Musk has weighed in on UFO sightings, asserting that neither he nor SpaceX has encountered any evidence of ...

A major new study lays out plans for crewed missions to Mars, with the search for extraterrestrial life being a top priority ...

Science books provide the ultimate deep dives into our favorite subjects, whether it’s the inner workings of the brain, ...