NASA’s Advanced Composite Solar Sail System (ACS3), a dazzling spacecraft designed to make use of the tiny amounts of radiation pressure exerted by sunlight for propulsion, is still spinning through ...

Scientists from NASA have uncovered the mysterious history of one of the solar system's weirdest objects: the fast-spinning dwarf Haumea. Haumea is located in the Kuiper Belt of frozen planets beyond ...

COLLEGE PARK, Md. — Asteroids with moons, which scientists call binary asteroids, are common in the solar system. A longstanding question has been how the majority of such moons are formed. In this ...

Washington, DC-- New work from Carnegie's Alan Boss and Sandra Keiser provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar ...

It depends on what you mean by rotate. A planet in a locked orbit to its star doesn’t rotate with reference to its star; it rotates once (in essence its day) in the same period as its year (orbital ...