Astronomers have ruled out alien origins for interstellar visitor 3I/ATLAS, confirming it's a natural comet—not an ...

I/Atlas is brightening, turning blue and emitting a radio signal, but scientists say its path misses Earth by a wide margin and it poses no threat to humans.

The MeerKAT radio telescope detected hydroxyl radicals from interstellar object 3I/ATLAS, suggesting it's shedding a ton of ...

A newly discovered comet named C/2025 V1, which some have compared to 3I/ATLAS, is due to make its closest approach to Earth on Tuesday, Nov. 11.

NASA's Mars Reconnaissance Orbiter used its camera to take high-resolution images of interstellar object 3I/ATLAS. We have ...

A new study has an explanation for the unusual chemical makeup of our interstellar visitor. If true, it's not the best news we've ever heard.

The researchers have calculated the expected orbital elements, radiants and velocities of Earth-impacting interstellar ...

3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized ...

Viral video of the 3I/ATLAS interstellar comet has reignited alien theories online, but scientists confirm the object’s behavior and signals ar natural.

Leaked images hint at a dusty spacecraft; Avi Loeb fuels speculation, but NASA dismisses alien claims. Comet's brightening, ...

A University of Iowa researcher has been awarded funding from NASA to create an interstellar map that could lead to more accurate observations of planets located outside our solar system — known as ...