From the scorching surface of Mercury to the icy edges of Neptune, our planetary neighborhood is full of wonders. The order of the planets isn’t just trivia—it tells a story about temperature, ...

A team of astronomers announced Tuesday that a new satellite measuring roughly 90 football fields across was discovered ...

THE Uranus “lunar gang,” a name given to the 28 moons of the 7th planet “recruited” its newest member currently designated as ...

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her ...