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.

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream views beginning at 6:00 p.m. EDT (2200 GMT).

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

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

CAPE CANAVERAL, Fla. — NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier ...

The 3I/ATLAS comet is only the third interstellar object ever observed, which is an astronomical object in interstellar space – the physical space between stars within a galaxy – that is not ...

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.

There are a few strong clues that suggest 3I/ATLAS came from outside the Solar System. First, it’s moving really fast. Current observations show it speeding through space at around 245,000km per hour.

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...