According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

Uranus has the craziest tilt in your Solar System. Its tilt is about ninety-eight degrees. That means its north pole is ...

And its relationship to Pluto — a world demoted since 2006 from the solar system’s ninth planet to a lowly dwarf planet ... 2003 and ellipsoid-shaped Haumea in December 2004.

However, even some dwarf planets and asteroids have rings, but none of the roughly 300 moons in the solar system have been found to have rings. A detailed simulation to solve this mystery has ...

The organic material on the dwarf planet Ceres is probably of extra-Ceresian origin: a recent study concludes that asteroids from the outer asteroid belt that crashed into the dwarf planet brought ...

the researchers looked for previously unknown deposits of organic material on dwarf planet Ceres. With its location in the middle of the asteroid belt between the orbits of Mars and Jupiter, the body ...

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Dwarf planet Pluto and our Earth are the only two worlds in our solar system with very large moons. These may have come about by a "kiss and capture" process, which preserves a moon's large size.

Californians watching the sky in February have the chance to view a parade of planets and a snow moon. The planetary alignment that began in January will continue into February, according to ...

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the mystery of why no ringed moons exist today. When you purchase through ...