The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

I/ATLAS, the interstellar object discovered in 2025, reveals the estimated population, composition, and distribution of ...

“The best estimates suggest Rubin should detect between 5 and 50 ISOs over its 10 year survey, stemming from the ...

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 ...

Astronomer Avi Loeb argued that other objects like interstellar visitor 3I/ATLAS could be useful for reaching out to aliens, if they exist.

NASA's MAVEN orbiter lost contact after observing an interstellar visitor dubbed 3I/ATLAS during its close approach to Mars, ...

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 ...

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond our solar system. Researchers from Arizona State University's School of ...

Hubble images from December 2025 show interstellar object 3I/ATLAS releasing two narrow jets of material as it moves away from the Sun, raising questions about rotation and activity ...