Sadly, we won’t be returning the favor. If aliens ever snag one of our interstellar envoys, like one of the Voyager spacecraft, they’ll see that we sent them some really old school stuff.

Scientists believe that long-ago supernova explosions sculpted this vast bubble, blasting away surrounding interstellar gas. A sequence of stellar detonations likely carved out the region ...

The recent discovery of an interstellar tunnel near our solar system has captured the attention of the scientific community.

"We're trying to encounter an astronomical object that streaks through our solar system just once and we don’t want to miss the opportunity." In 2017, scientists spotted our solar system's first ...

The hardest movie ticket to get this weekend was for a film audiences have been able to watch at home for years: Christopher Nolan’s “Interstellar.” The science fiction epic starring Matthew ...