The space agency got a close look at the interstellar visitor over the past few months as it zipped by Mars and the sun ...

The object is expected to make its closest approach on December 19, 2025, passing by at a distance of approximately 167 ...

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." ...

NASA released images of an interstellar comet flying past Mars, and scientists expressed doubt about the possibility that it ...

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

NASA will reveal new imagery of the interstellar comet 3I/ATLAS on Wednesday (Nov. 19), and you can watch it live. The ...

NASA unveiled close-up pictures on Wednesday of the interstellar comet that's making a quick one-and-done tour of the solar ...

The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

When the interstellar comet flew by the red planet in October, multiple NASA missions pivoted from their explorations to ...

A viral video of 3I/Atlas has sparked wild theories, but space scientists break down the real science behind it.