Beyond the fact that this is the third known interstellar object to have entered our solar system, “we don’t know very much,” ...

NASA has discovered a mysterious interstellar comet entering our solar system. Learn what this strange visitor is and how scientists are tracking it now.

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

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

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

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

Astronomers have identified a fast-moving object, designated as 3I/ATLAS, originating from the center of the galaxy and heading towards our solar system.

Interstellar comets offer the tantalizing opportunity for us to touch something truly otherworldly,” says the European Space ...

Folks, it's official: the object that astronomers recently spotted blowing through the outer solar system came from ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

This week, a 125,000-year-old Neandertal “fat factory” reveals that they gorged on energy-packed bone grease, a new study has ...

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