Comet 3I/ATLAS, coming from another stellar system, could be between 10 and 12 billion years old. If this estimate is ...

You've got time to wave goodbye to our interstellar visitor.

Add Yahoo as a preferred source to see more of our stories on Google. Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh ...

Add Yahoo as a preferred source to see more of our stories on Google. Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

The JUICE mission snapped photos of Comet 3I/Atlas after surviving its closest approach to the Sun. This will be your best chance to see 3I/ATLAS in the night sky. Never-before-seen images of 3I/ATLAS ...

In the past decade, astronomers have witnessed three interstellar objects (ISOs) passing through the solar system. These include the enigmatic 'Oumuamua in 2017, the interstellar comet 2I/Borisov in ...

Is it alien? Is it natural? Those questions have followed the interstellar comet known as 3I/ATLAS since it entered our solar system last year from beyond our own star system. A new study released ...

The response came after John Greenewald Jr., an American researcher and ufologist, requested any CIA "assessments, reports, or communications" referencing the interstellar object, only the third of ...

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At the time of the observations, comet 3I/ATLAS had just passed its perihelion, its closest ever approach to the Sun. While still 210 million kilometers (130 million miles) from our star, this was ...

Interstellar objects like 3I/ATLAS that have been captured in planet-forming disks around young stars could become the seeds of giant planets, bypassing a hurdle that theoretical models have ...