Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

Reference Explore the eight (or nine) planets of the solar system in order from nearest to the sun and discover the many wonders of our solar system along the way. An object seen to have moved in the ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible ...

With a lot of talk about space recently, have you ever wondered which are the hottest planets in the solar system? You'd think the closer you are to the sun, the hotter they must be. Now that's ...

To put that in perspective, this new planet at the outer rim of the solar system would be almost 20 times farther away from the sun than Pluto is. Pluto, which infamously lost its status as the ...

The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

Saturn orbits the Sun at roughly 9.69 km/s, maintaining its grand system of rings as it cruises through space. Uranus moves at about 6.81 km/s, spinning on its unique sideways axis as it orbits ...

Our solar system is approximately 4.6 billion years ... But instead of searching for a planet’s direct light, astronomers used ALMA to identify the effects of potential planetary subjects ...

Caroline Delbert is a writer, avid reader, and contributing editor at Pop Mech. She's also an enthusiast of just about ...

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...

The birthplace of stars begins within large, cold clouds of gas and dust, which eventually collapse under the weight of ...