Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

There could be a ninth planet in our Solar System after all — and no, it’s not Pluto. Instead, it’s the theoretical Planet X, also called Planet Nine, a wide-orbit planet that would circle the Sun ...

The City of Light features some of the best museums in the world, but some of the most intriguing collections may be ones you ...

Heavenly questions China extends its reach into the Solar System with launch of asteroid mission Tianwen-2 will first return samples from an asteroid, then explore a mysterious comet-like object.

Home sweet home If you were to look at a giant picture of space, zoom in on the Milky Way galaxy, and then zoom in again on one of its outer spiral arms, you’d find the solar system. Astronomers ...

NASA discovered a huge lake on Jupiter The NASA Juno mission focuses on exploring Jupiter, the largest planet in our solar system, and the primary goal is to collect data about the planet’s water ...

Ever wanted to create a magical unicorn diary using just paper, with no need for cardboard or a glue gun? This DIY project shows you exactly how to make a beautiful, personalized unicorn-themed diary ...

Scientists have solved one of the solar system's enduring mysteries with the help of an unexpected source: a planetarium show. Last year, experts at the American Museum of Natural History were ...

Computer simulations of the solar system’s future reveal a new risk facing us all: The gravitational tug of a passing star could either cause another planet to smack into Earth or else fling our ...

On the high end, we talked to a solar customer in Massachusetts who paid around $50,000 for a system and a solar customer in Hawaii who spent $100,000. Installers talk about “cost per watt.” ...

FAYETTEVILLE, Ark. — Large-scale solar power arrays occupy about 0.2 percent of agricultural land in Arkansas, according to an analysis by the University of Arkansas System Division of Agriculture.