Borisov

Astronomers have identified 3I/ATLAS, a rare interstellar visitor that may hold secrets from the galaxy's distant past. Its unusual speed, size, and possible icy composition make it an enticing target for observations with space telescopes in the near future. Credit: NASA/JPL-Caltech.

The visitor from outside the solar system is almost as old as the galaxy itself

An international group of astronomers reported the discovery of the third confirmed interstellar object to enter our solar system on July 3. Now they continue to monitor the approaching comet