There Might Be an Entire Orbit, Filled with Asteroids that Came from Outside the Solar System

Some asteroids orbit the Sun in highly inclined orbits, and they might be aliens to our solar system.

4 years ago

Interstellar Comet 2I/Borisov Formed in a Very Cold Environment

Using the ALMA array, astronomers were able to detect the chemical composition of an interstellar object as 2I/Borisov began releasing…

4 years ago