The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse.

Comet 3I/ATLAS has arrived in the inner solar system behaving as if the usual rules of comet physics were optional. Instead ...

The interstellar comet 3I/ATLAS, the third confirmed object from outside the Solar System, passed closest to the Sun on ...

Interstellar comet 3I-ATLAS is a rare cosmic visitor that may be older than our Sun, offering scientists a unique glimpse ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...

This is a Hubble Space Telescope image of the interstellar comet 3I/ATLAS. Hubble photographed the comet on July 21, 2025, when the comet was 277 million miles from Earth. Hubble shows that the comet ...

Interstellar comet 3I/ATLAS might be older than our Sun and is estimated to be between eight and 14 billion years old and ...

CAPE CANAVERAL, Fla. (AP) — A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as ...

Back in July, scientists operating a planetary defense facility designed to detect potentially hazardous asteroids spotted a visitor from another star: an interstellar object, and the third of its ...

A flying piece of cosmic rock or an alien threat? Comet 3I/ATLAS is hurtling through our solar system and captivating scientists and internet users alike, even prompting Kim Kardashian to ask NASA for ...

"I had only 1 night to grab this shot, and only about 1 hour to do it." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In a race against the ...