Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

Experts analyzed satellite imagery of planetary surface cracks and compared them with Earth's geologic features, searching ...

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

"It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing to build up the energy we need to get to Jupiter and Europa." Today (March ...

A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.