How do you cool down a phoenix? I don't mean the mythological birds of flame and rebirth, but rather a cosmic namesake with a fittingly fiery nature.

More than 1 million "interstellar objects" the size of the Statue of Liberty could be drifting unseen in the outer solar ...

New paper points to the Alpha Centauri triple star system as likely potential source of millions of interstellar asteroids and comets.