NASA’s SPHEREx joined Webb and Hubble in studying interstellar comet 3I/ATLAS, gathering data on its size, chemistry, and physical traits. While harmless to Earth, the comet provides scientists a rare ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists have just discovered a rare interstellar object hurtling ...

Add Yahoo as a preferred source to see more of our stories on Google. An interstellar tourist is taking a quick trip through our solar system, becoming one of just three known objects to ever do so, ...

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 ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system. But it may not be around much longer. The otherworldly visitor to ...

It’s a stellar discovery. A Manhattan-sized interstellar comet was spotted blazing through our solar system — marking only the third time a mysterious object from beyond our cosmic neighborhood has ...

The infrared space telescope also detected water vapor, carbon dioxide and organic compounds streaming from the departing comet two months after it made its closest approach to the sun. When you ...