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

Interstellar visitors rarely crash world leaders' press conferences. Yet, on 19 December 2025, the mysterious object 3I/ATLAS did just that, prompting a bizarre exchange with Russian President ...

New images of the interstellar comet 3I/ATLAS from the Hubble Space Telescope appear to confirm the existence of a powerful jet of material pointing directly toward the Sun, a highly unusual feature ...

NASA has unveiled a new way for the public to follow interstellar comet 3I/ATLAS as it moves through the solar system, integrating the object into its interactive Eyes on the Solar System app. The ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Interstellar comet 3I/ATLAS streaks across the sky with a blue plasma tail, photographed from June Lake, California, on December ...

Add Yahoo as a preferred source to see more of our stories on Google. Two new views of 3I/ATLAS from the Gemini North telescope (background) show the comet's coma has gotten greener since its close ...

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The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...

This is a Hubble Space Telescope image of the interstellar comet 3I/ATLAS. Hubble photographed the comet on July 21, 2025, when the comet was 277 million miles from Earth. Hubble shows that the comet ...