Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something ...
An interstellar comet from another star system made a close pass by Mars, with a fleet of spacecraft observing the rare event. The comet, known as 3I/Atlas, zoomed within 18 million miles (29 million ...
A comet from another star system is swinging by Mars as a fleet of spacecraft trains its sights on the interstellar visitor.
EU researchers are developing powerful new telescopes to help uncover Earth-like planets around distant stars and advance the search for extraterrestrial life.