Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

On July 1, 2025, a telescope in Chile detected something unexpected: a faint object streaking across the sky at an unusual ...

I/ATLAS, also known as C/2025 N1 (ATLAS), originated in a distant star system, far beyond the boundaries of our solar system.

Astronomers have confirmed the presence of 3I/ATLAS, a rare interstellar comet originating from a distant star system, now traversing our solar system.

Little is known so far about comet 3I/ATLAS. Astronomers estimate its diameter to be 12 miles (20 kilometers), with significant uncertainty due to the object’s brightness, Masi said.

A Manhattan-sized interstellar comet, named 31/ATLAS, was spotted blazing through our solar system – marking only the third time a mysterious object from beyond our cosmic neighborhood has been ...

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

The object, named 3I/ATLAS, was discovered by NASA on July 1 using the ATLAS survey telescope in Chile. Classified as an interstellar comet, it originated from another solar system and has been ...

The comet, designated 3I/ATLAS, will pass inside the orbit of Mars sometime in October, at a closest distance of about 130 million miles from the sun. There is no threat to Earth.

The comet, designated 3I/ATLAS, will pass inside the orbit of Mars sometime in October, at a closest distance of about 130 million miles from the sun. There is no threat to Earth.