WASHINGTON (Reuters) - After investigating the nature of a mysterious and apparently cigar-shaped object called 'Oumuamua spotted in 2017 speeding through our solar system, astronomers remain ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The interstellar object 3I/ATLAS was discovered on July 1, 2025. There is currently no evidence to suggest that it is anything other than a natural astrophysical object. However, given the small ...

Interstellar comet 3I/ATLAS will reach its closest point to Earth on Friday, 19 December, offering astronomers a narrow but important window to study a rare object passing through the solar system.

The European Space Agency's XMM-Newton space X-ray telescope has confirmed observations by Japan's Aerospace Exploration Agency showing an X-ray source within interstellar object 3I/ATLAS, ...

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...

Stargazers and scientists are getting a holiday present from the cosmos this week. 3I/ATLAS, an interstellar comet, will get “closest” to Earth on Friday, December 19, as part of its journey across ...

Mysterious interstellar object 3I/ATLAS made its closest approach to Earth on December 19, coming within just 167 million miles. Scientists have been closely monitoring the object — which is largely ...

The heavens have a habit of throwing us a curveball just when we think we have the cosmos figured out. The latest arrival, a mysterious interstellar interloper dubbed 3I/ATLAS (officially designated C ...

An object from outside the Solar System has been spotted hurtling towards the Sun, which, if confirmed, would be the third visitor from the stars ever detected, the European Space Agency said ...

A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as 3I/Atlas will pass within ...