How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

Astronomers spot a mysterious object from interstellar space. The object, 3I/Atlas, is traveling at 60 km/s. It poses no ...

The first interstellar object spotted in our Solar System was the cigar-shaped ‘Oumuamua, discovered in 2017 by the ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from ...

Astronomers in Hawaiʻi detected the solar system's third interstellar object, C/2025 N1 or 3I/ATLAS, which poses no threat to ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

The object, a celestial body from another star system, was discovered on Tuesday by the University of Hawaii’s Asteroid ...