Mark your calendar for later this summer when the Perseid meteor shower reaches its peak, offering a rare opportunity to see ...

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

Harvard astronomer Avi Loeb suggests that if interstellar object 3I/ATLAS isn't a comet, nor an asteroid, it may have been ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...

According to the team's measurements, the comet's nucleus is around a whopping 128 kilometers (80 miles) across, making it bigger than the state of Rhode Island, and far larger than its closest ...

New simulations have narrowed down where the newly discovered interstellar comet 3I/ATLAS likely came from, revealing it could be more than 3 billion years older than the solar system.

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...