As 3I/Atlas neared its closest point to the sun in its orbit, the internet was abuzz with curiosity about the comet.

A Harvard University professor has said that 3I/ATLAS experienced a sudden "nongravitational" acceleration while passing ...

Interstellar comet 3I/ATLAS is briefly out of view as it travels around the sun this week, but researchers and amateur ...

An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in ...

Spacecraft have revealed that the comet—which one scientist suggests could be an alien spacecraft—is now "distinctly bluer ...

An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening ...

Here's where Comet 3I/ATLAS, Lemmon and SWAN are in the Halloween sky.

The interstellar comet 3I/ATLAS has just made its closest pass to the Sun, and it's brighter than scientists expected.

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

As 3I/ATLAS approached the inner solar system in September, the Nordic Optical Telescope in Spain's Canary Islands recorded a ...

As the third confirmed interstellar object to pass through our solar system, 3I/ATLAS is prime for new discoveries. It was ...

Manhattan-sized comet 3I/ATLAS allegedly executed an unusual maneuver while approaching the Sun earlier this week, fueling ...