The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system.

The first interstellar object to visit the solar system may have been a fragment of an icy exoplanet, research suggests. "Everything about this object is consistent with it being a slab of nitrogen ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system.Video above: Astronomers discover how planets formThe Hubble Telescope and its Wide Field ...

Big questions about 3I/ATLAS remain, some of which may be impossible to answer — including where exactly it came from Big questions about 3I/ATLAS remain, some of which may be impossible to answer — ...