Most of us grow up picturing moons as gray, cratered, silent rocks, like the one that hangs over our own backyard. The solar ...

NASA is still on track to send its Dragonfly rotocraft to Saturn’s moon Titan by the end of the decade, and you can come ...

We typically think of the moon as a static, floating object that has remained the same for basically its entire lifetime, ...

Space was so much simpler when I was a kid. Back in the 1980s, we still hoped to find habitable planets around every star.

NASA is giving space enthusiasts an opportunity to become part of its upcoming journey to one of the solar system's most ...

The Voyager mission not only transformed our knowledge of Jupiter, Saturn and their dozens of moons, it also gave us our first close-up look at the strange and wondrous planets Uranus and Neptune.

Astronomers have found a possible new dwarf planet beyond Pluto. And the remarkable thing is that they’d been photographing ...

The distance between Earth and its moon is very long, and light is the fastest thing we know of, so how long would it take a ...

If you ask planetary astronomers where the solar system ends, they will say well past the planets, well past the bright band of the Kuiper Belt where Pluto resides, and still further to a shadowy ...

Two of Jupiter’s most distinctive moons have crossed paths from Earth’s perspective, producing a striking celestial alignment. The event, known as a mutual occultation, shows how the orbital movements ...