Our solar system is made up of the sun and all the amazing objects that travel around it. Learn more about the planets, asteroids, and comets in our solar system. 3:55 ...

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.

SEATTLE — Scammers across the U.S. are going door-to-door, pitching “free” solar energy systems. Many homeowners never get any solar equipment installed; those who do often get shoddy work ...

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.

A distant trans-Neptunian object, 2017 OF 201, has been identified at the solar system's edge, potentially qualifying as a dwarf planet with an estimated diameter of 700 km.

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, researchers say. ABC News. Video. Live. Shows. Shop. Log In. Stream on.

Our solar system consists of four small, rocky, inner planets (Mercury, Venus, Earth and Mars) and four large, gaseous, outer planets (Jupiter, Saturn, Uranus and Neptune).

MANILA, Philippines — The Philippines must race to build at least 2,000 megawatts (MW) of standalone battery energy storage systems (BESS) to avoid grid congestion as more pure solar projects ...

A New Jersey family bought an expensive solar panel system from one of the most established companies in the country, but then, last year, that company suddenly filed for bankruptcy just as the ...

Brown, Rein and Malhotra think that sometime during the Solar System’s formation, an uninvited guest anywhere between 2 and 50 times the mass of Jupiter barged in fast enough to both shift the ...

Mercury: Pictures capture icy craters and sunlit plains of solar system's smallest planet. The close-up images reveal craters, the floors of which are in permanent shadow, and vast sunlit northern ...