NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

The Bernardinelli-Bernstein comet, located in the Oort Cloud, was observed by the ALMA to record the first evidence of active ...