We refer to our own solar system as the solar system, and in a sense, it is the only one of its kind. For centuries, our sun was known as Sol, latin for sun and the Roman equivalent of the Greek sun ...

The Milky Way and Andromeda galaxies are predicted to collide and merge between 3.9 and 5.6 billion years from now, based on observed relative motion. The merger process will involve multiple ...

One other thing the Gaia data has been clarifying is that the Milky Way's disk is not serene and flat, but warped and ...

NASA's Pleiades supercomputer has provided fresh insights into the Oort cloud – a vast, theoretical spherical shell of icy objects that surrounds our solar system. For a long time, the Oort cloud's ...

Objects such as 'Oumuamua, Borisov and recently 3I/ATLAS have opened our eyes to the reality that outsiders regularly visit our solar system — and we're about to start spotting a whole lot more of ...

The gravitational influence of dark matter on stellar motions within galaxies, particularly the high velocities of stars in the Milky Way, is the primary evidence for its existence. This influence is ...

Hot spots and tunnels to neighboring "superbubbles" seem to have been created by supernovas and infant star outbursts. When you purchase through links on our site, we may earn an affiliate commission.

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang on ...