It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

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

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

NASA has pointed its fleet of spacecraft at comet 3I/ATLAS to collect new footage of the interstellar invader. The agency has ...

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

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

As far as physical features, NASA says 3I/ATLAS has speed, color, and direction that are, “consistent with what we’d expect ...

A large radio galaxy study finds our solar system moves faster than theory predicts, raising new questions about how matter ...

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

NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a ...

NASA will go live today to share long-awaited images of the mysterious interstellar object 3I/ATLAS. Is it nearing Earth? How ...