New Hubble data reveal motion anomalies in interstellar object 3I/ATLAS, including asymmetric nucleus, double jets and directional activity, based on observations reported by USA Herald and Avi Loeb.

A mysterious visitor from beyond our solar system is defying expectations and igniting fierce scientific debate as it hurtles ...

New observations of 3I/ATLAS provide real data that scientists are using to evaluate asteroid behavior ahead of Apophis’ 2029 ...

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

NBC News' Gadi Schwartz reports on "3I/ATLAS," mysterious outer space object that is thought to be billions of years old, ...

Imagine flying through space at speeds that defy the rules of our solar system, only for scientists to observe behaviour that ...

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

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

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 ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

I/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 object ...