Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

The Manhattan-sized interstellar visitor hurtling through space has captured the imaginations of UFO watchers for months and ...

Vladimir Putin jokes that interstellar comet 3I/ATLAS is a 'secret weapon' as the mysterious object sweeps past Earth.

Spike your eggnog and relax with our list of the finest flicks of the year about invasive AI, soaring superheroes, and ...

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

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

A viral theory claims more than 50 alien ships are heading towards Earth led by interstellar object 3I/ATLAS. What is the ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

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

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.