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

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Named 3I/ATLAS, the object reportedly rich in water ice was discovered on July 1 by the ATLAS survey telescope in Chile, when it was about 416 million miles (670 million kilometers) from the Sun.

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...