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 ...

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for ...

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The comet will reach its closest point to the Sun (perihelion) on October 29, 2025, passing just inside Mars' orbit ...

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

Loeb points to several unusual traits that set 3I/ATLAS apart from typical comets. "The retrograde orbital plane of 3I/ATLAS ...

Avi Loeb, known for his theories on aliens, thinks that the interstellar object in our solar system is a spacecraft sent by ...

The TRACERS mission comprises twin satellites designed to investigate how surges in the solar wind trigger magnetic ...

New Moon means dark skies — and your chance to try photographing interstellar interloper 3I/ATLAS moving against the ...

A mysterious new interstellar object, 3I/ATLAS, was discovered in July. It turns out that wasn't the first time our ...

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

A newly discovered object speeding through our solar system could be something far stranger than a comet, possibly even alien ...