The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

As a joke, she labelled it LGM 1 for “Little Green Men”, but the astronomers working on it did not really believe they had ...

Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled ...

I/Atlas continues to head toward Earth, reaching a close distance to our sun. Here's what to know about the online discord around this phenomenon.

Comet 3I/ATLAS nears the sun Oct. 29. Experts say it's natural, despite viral alien theories. Here's how to see it from ...

An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth ...

Time now for an interstellar flyby. Let's meet a very old comet, 3I/ATLAS. DARRYL SELIGMAN: 3I/ATLAS is probably somewhere between 3 billion to 11 billion years old. So it's presumably been traveling ...

An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in December.