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 ...

The long-awaited photos, snapped by multiple NASA spacecraft between September and mid-October, show a tiny, glowing orb ...

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

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

NASA spacecraft across the inner solar system captured new views of Comet 3I/ATLAS—the third known interstellar object ...

The first part uncovers the hidden forces that are reshaping the Moon and altering its bond with Earth. From tidal braking ...

I grew up loving space documentaries, so I was genuinely annoyed when I realized how many “facts” I’d absorbed were just slick-sounding myths. The universe is already strange enough on its own; we don ...