Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

New simulations have narrowed down where the newly discovered interstellar comet 3I/ATLAS likely came from, revealing it could be more than 3 billion years older than the solar system.

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

2025年7月1日，位于智利Río Hurtado的ATLAS（小行星地球撞击最后预警系统, Asteroid Terrestrial-impact Last Alert ...

这张图展示了星际彗星3I/阿特拉斯（3I/ATLAS）穿越太阳系的轨迹。它将在10月最接近太阳。图源：NASA/JPL-Caltech新的星际彗星3I/ATLAS正以惊人的速度穿越太阳系。这位来自太阳系之外的罕见访客虽然暗淡，但正向太阳飞驰而来。天文 ...

A team of international astronomers, including a University of Michigan doctoral student, were the first to publish the ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...

Astronomers and space agencies continue to track the interstellar comet 3I/ATLAS streaking through solar system at blistering ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...