Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

The $2,000 plug-in solar system installed on Dwyer’s backyard deck in March consists of two 400-watt panels, an inverter, a ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

Only eight planets call our solar system home. Or there might still be nine if some astronomers are correct about an as-yet undiscovered large body out past Neptune.

Today there are five known dwarf planets in the Solar System. The conditions for what classifies a “planet” as opposed to a “dwarf planet” were set by the International Astronomical Union.

A new solar system has been found in the Milky Way. All 6 planets are perfectly in-sync, astronomers say. November 30, 2023 / 3:17 PM EST / CBS/AP ...