Mercury, Venus, and Saturn put on an early-evening display in the west, while Jupiter dominates the rest of the night.

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

There’s no mistaking Jupiter in the sky these Pottsville winter evenings, rising in the southeast as evening twilight ends.

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the beginning.

February stargazing is so special. Sure it’s cold but the extra special celestial jewels make it worth bundling up for. If you’re not already in the darker countryside, try to get out there. But ...

Jupiter, the giant planet, appeared to align closely with the full Wolf moon, creating a stunning celestial display visible ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. We already know a decent amount about how planets form, but moon ...