LOS ANGELES — Half a solar system away, NASA’s $1.1 billion Juno spacecraft is getting ready to fire its rockets in a final push to enter Jupiter’s orbit on a day that has become popular for ...

Launched on September 5th, 1977, the spacecraft reached Neptune, the outer sentinel of the Solar System, over a decade later. An artist's impression of the Voyager 1 space probe flying past Saturn ...

Artificial intelligence trained by asteroid-hunting citizen scientists helped identify more than 1,000 never-before-seen solar system objects from old Hubble images spanning two decades.