The interstellar comet 3I/ATLAS brought material from another planetary system within reach of our telescopes, but reading ...

The interstellar object "3I/ATLAS," which flew into the solar system in 2025 and is now quietly moving away, has been the ...

NASA’s PUNCH was tracking comet SWAN when 3I/ATLAS whizzed past. Credit: NASA/Southwest Research Institute ...

Does 3I/ATLAS have interstellar headlights? Harvard scientist Avi Loeb speculated that NASA’s recently released photos of 3I/ATLAS could potentially point to its artificial origins — and even wondered ...

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How does the dust of comet 3I/ATLAS, which came from outside the solar system, differ from the dust of solar system comets?When examining the vibration direction of light scattered by dust, 3I/ATLAS ...

Benevolent interloper or interstellar poison pill? With 3I/ATLAS set to fly by Earth in two weeks, Harvard professor Avi Loeb is debating whether our interstellar visitor is friend or foe — an answer ...

A comet from another star system is due to make its closest—and final—approach to Earth this week before it continues on its journey back toward interstellar space. Interstellar Comet 3I/ATLAS will ...

The mysterious interstellar object known as 3I/ATLAS may not be an alien, or even an alien artifact, as was once popularly theorized. That doesn’t mean we shouldn’t double and triple-check just to be ...

NASA’s Europa Clipper spacecraft has captured images of interstellar comet 3I/ATLAS as the object — perhaps the oldest ever seen by astronomers — whizzes through the inner solar system. On Nov. 6, ...