The Solar System. It's no longer about the eight main planets anymore. Sorry Pluto. A new planet has entered the fray.

Our Solar System has eight planets, a few dwarf planets and more than 200 moons. But wait. Are you seeing double? Or did every planet suddenly get a twin? Where would each planet’s double fit in? Why ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though only slightly larger than Earth’s Moon, Mercury endures some of the most ...

Before the ribbon-cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by WHS Astronomy ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

Jupiter’s moon Europa is cloaked in a smooth icy shell cracked with fine ridges. Scientists believe that beneath this frozen surface lies a saltwater ocean - possibly holding twice as much water as ...

Before the ribbon cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by Westfield High School Astronomy Club members Krystyna Goulette and Kaitlyn Goulette — ...

Currently there is a third “interstellar interloper” now passing through the solar system designated as 3i/ATLAS, for the third interstellar object (3i) and the discovery instrument ...

From the meteor showers to super moons, this time of year gives us a front row seat to one of the most active regions of the ...

Scientists studying samples from the Bennu asteroid located not too far from Earth continue to find clues as to how life ...

Studying samples from the Bennu asteroid, researchers have found sugars essential for biology, stardust and ... something ...