When a hunk of ice from another star system hurtles through our cosmic neighborhood, astronomers pay attention. When that ...

Does 3I/ATLAS have interstellar headlights? Harvard scientist Avi Loeb speculated that NASA’s recently released photos of 3I/ATLAS could potentially point to its artificial origins — and even wondered ...

This week, just days before Christmas, the interstellar comet 3I/ATLAS will make its closest approach to planet Earth – so close, that anyone with a "powerful amateur" telescope might see it. Here's ...

Mars orbiters have given astronomers an unexpected new vantage point on 3I/ATLAS, sharply tightening estimates of the interstellar visitor’s trajectory through the inner solar system. By combining ...

Since comet 3I/ATLAS, the third known interstellar object, was discovered on 1 July 2025, astronomers worldwide have worked to predict its trajectory. ESA has now improved the comet's predicted ...

Scientists observe interstellar comet 3I/ATLAS releasing massive water vapor near the Sun, revealing clues about material ...

Scientists from the European Space Agency have significantly narrowed down the trajectory of the interstellar visitor 3I/ATLAS thanks to data from the alien comet's recent flyby of Mars, allowing for ...

Blasting Most Of Its Water Directly Toward The Sun Juice's SWI instrument revealed that most water vapor was released from ...

The interstellar comet 3I/ATLAS is set to make its closest approach to Earth in December. 3I/ATLAS is the third-ever discovered object confirmed to have originated from outside our solar system. While ...

Add Yahoo as a preferred source to see more of our stories on Google. December is the month that fans of the 3I/ATLAS interstellar comet have been waiting for. In a matter of days, the strange space ...

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – in July and on Nov. 30, 2025. An ESA orbiter bound for Jupiter also observed the interstellar comet 3I/ATLAS. How big is 3I/ATLAS ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...