When 3I/ATLAS was first spotted a few months ago, it seemed to emit a reddish color. But earlier this month, some astronomers noted it was glowing green. So why is our latest interstellar visitor ...
The stunning photos of the interstellar object, 3I/ATLAS, were taken by the European Space Agency's Mars orbiters last week.
The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.
The comet, named 3I/ATLAS, is only the third confirmed interstellar object ever seen in our solar system. That means it came from another star system entirely. At first, some speculated it could be an ...
This unexpected color raises new questions about the alien chemistry of comets from beyond our solar system. On Sept. 7 2025, ...
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Interstellar comet 3I/ATLAS spotted by Europe's Mars spacecraft in closest look yet
Interstellar comet 3I/ATLAS made its closest pass of Mars on Oct. 3, and Europe’s Red Planet spacecraft were ready for it.
Comet 3I/ATLAS, the third interstellar object ever detected, will be visible from ground-based telescopes through the end of ...
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