"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar object 3I/ATLAS is roughly 7 miles wide, making it the largest of its kind ...

On July 1, astronomers spotted an unusual high-speed object zooming towards the sun. Dubbed 3I/ATLAS, the surprising space ...

The Hubble Space Telescope has snapped some spooky looking photos of our solar system's newest interstellar invader on the ...

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

The Vera Rubin telescope is poised to kick off an explosive era of discovery. "It's like old-fashioned astronomy: Find the ...

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

The Vera C. Rubin Observatory dazzled us with its first light images just a few weeks ago, showing just what it is capable of discovering – from new asteroids to new galaxies – in a matter of hours.

A rare visitor from another star system has been spotted. It's the interstellar comet 3I/ATLAS, and it was detected on July 1 ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in the coming months ...