These icy bodies contain organic molecules — and don’t fall into any known category of celestial object we’ve seen before.

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...

USSC: “Effectively an interstellar object” In a memo dated March 1 and shared on Twitter on April 6, Lieutenant General John E. Shaw, deputy commander of the USSC, wrote that the 2019 fireball ...