Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

Based on the comet's brightness and current distance — it's located just inside Jupiter's orbit — scientists estimate its ...

Last of three parts ...

Astronomers are monitoring an object headed our way that may have wandered over from another star system. Scientists have ...

Astronomers this week confirmed the discovery of an interstellar object racing through our Solar System – only the third ever ...

Interstellar comet 3I/ATLAS confirmed as the third from beyond our solar Livestream of 3I/ATLAS hosted by Virtual Telescope ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...