Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 19, "this erratic wanderer will be the closest to Earth that it will ever be over the lifetime of the entire universe," ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from the a European Space Agency orbiter on its ...

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the ...

Interstellar objects move too fast and arrive too rarely for astronomy to rely on a single instrument or a single kind of light. When comet 3I/ATLAS was first reported on July 1, 2025, observatories ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. For months, 3I/ATLAS has attracted plenty of attention – and ...

The interstellar comet 3I/ATLAS was confirmed in July 2025 as the third known object to visit our solar system from interstellar space. Despite conspiracy theories, scientists say 3I/ATLAS shows all ...

Scientists are scrambling to explain why interstellar visitor 3I/ATLAS is carrying life's chemical building blocks at ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

What would it take to accelerate to Interstellar space by a NASA spacecraft deliberately, within a time that is short enough that the people who designed it and studied it will be available to analyze ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...