Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

The planet grouping’s concentricity with the sun and ring gears means ... bevel or hypoid gears can be attached to an inline planetary system. Worm and planetary combinations are rare because ...

The following evenings will see fleet-footed Mercury draw level with Jupiter, before rising above and away from the gas giant ...

"Are we alone?" This ancient question has occupied humanity's mind for a long time. In 1995, the discovery of the first ...

You probably learned growing up there are nine planets around the sun—or eight ... plausible for our solar system to have captured such an Oort cloud planet,” says Nathan Kaib, a co-author ...

Still, the secret to the car's success was not the hybrid system alone ... The starter generator is connected to a sun gear that goes into a planetary-gear assembly. Thus, the move from the ...

operated by the hydraulic system, work together to shift the compound planetary gear set. A single planetary gear set consists of a central sun gear surrounded by a ring gear and smaller planet ...

which could mean it advanced further in its orbit around the sun. Some of the strongest evidence that points to the existence of a planet within the outskirts of the solar system is the activity ...

Stellantis may be looking to adapt planetary gear hybrid systems—like the one currently used in the Chrysler Pacifica Hybrid plug-in hybrid minivan—to more rugged vehicles, a patent filing ...