The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

Researchers searched interstellar comet 3I/ATLAS for artificial radio signals using the Allen Telescope Array and found none.

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A mysterious space rock from another star system has started brightening and dimming again in a regular pattern. Interstellar visitor 3I/ATLAS could now be the most famous comet ever (you’ve probably ...

The past year delivered unprecedented discoveries in space. Astronomers uncovered clues about Mars, interstellar comets, exoplanets, and dark energy, captivating scientists and enthusiasts worldwide.

A small, icy visitor from beyond the solar system is giving scientists an unusually close look at the chemistry that may help planets come alive. As the interstellar comet 3I/ATLAS sweeps past the Sun ...

Interstellar visitor fires off a massive jet toward the Sun — and it looks incredible A cosmic tourist just dropped by our solar system, and it’s putting on quite the show. Astronomers are dazzled ...

The universe just sent us a problem. It's a fast-moving, utterly bizarre object from outside our solar system, and it has baffled researchers by dramatically changing its colour as it hurtles towards ...

I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...