A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

So exactly how many solar system moons have we found ... Starting closest to the sun, our home star's nearest neighbors, Mercury and Venus, have no true moons because of their proximity to ...

Astronomers have captured direct images of exoplanets in a star system 130 light years away, providing clues on gas giant ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

The Sun, the main source of light and energy, is the brightest object in our solar system, shining on and lighting up all other celestial bodies. Jupiter, the biggest planet in our solar system, ...

MAROON-X was specifically designed to detect tiny exoplanets orbiting red dwarf stars by detecting the minuscule ...

While parts of the Earth saw a total lunar eclipse, the Blue Ghost lunar lander captured stunning imagery of a solar eclipse on Friday. See the rare view here.

Saturn has more moons than any planet in our solar system ... near the planet, like stars, and others that were remaining in orbit of Saturn − the moons. Ashton was only able to take photos of ...