A mysterious interstellar object known as 3I Atlas has entered our solar system, and the more scientists observe it, the stranger it becomes. Unlike typical comets, it began brightening far beyond ...

More and more details about 3I/ATLAS are filtering through the scientific process as time goes on. Our third known ...

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Add Yahoo as a preferred source to see more of our stories on Google. NASA's Hubble Space Telescope observed interstellar comet 3I/ATLAS on November 30. - NASA/ESA/STScI, D. Jewitt/M.-T. Hui/J.

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

Interstellar Objects (ISOs) may provide direct evidence of planetesimals ejected from early-stage solar systems.

Just as mysterious interstellar object 3I/ATLAS reemerged from behind the Sun last week, astronomers detected intriguing radio signals from it that give new clues about its chemical composition.

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

3I/ATLAS showed a complex tail structure early this morning of November 8, 2925. It was observed at 29 degrees elongation from the Sun. In July and August , other researchers calculated that 3I Atlas ...

Add Yahoo as a preferred source to see more of our stories on Google. An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...