The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, ...

CAPE CANAVERAL SPACE FORCE STATION — The United Launch Alliance was preparing its Atlas V rocket to take up Amazon’s Project Kuiper satellites on Wednesday night, but stood down due to weather ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...