The United States has some new marching orders in the final frontier. On Thursday (Dec. 18), President Donald Trump issued an executive order entitled “Ensuring American Space Superiority.” Dominance off

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here’s how you can track its progress both during the pass and as it races out of the

How long would it take for satellites to begin to collide with space junk and each other if they were to suddenly lose their ability to avoid each other? A

For the first time ever, astronomers have captured two distinct X-ray views of an interstellar comet, providing an unprecedented glimpse into the interplay between a visitor from beyond our solar