For instance, Neptune migrated outward, switching places with Uranus, and pushed a lot of the small, icy bodies into the ...

A number of high-profile missions would get the axe, including the New Horizons Pluto probe and Juno Jupiter orbiter.

The researchers said 2017 OF201 was identified in observations by telescopes in Chile and Hawaii spanning seven years.

A new memorandum has firmed up China and Russia's intent to lead the construction of a new lunar base to be completed by 2036, as NASA talks about scaling back its own lunar ambitions.

Space exploration is a field of study full of things to discover, but not only in the most remote places in the universe. The ...

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

Lunar exploration is entering a new era. Long after the Apollo missions, a renewed international interest comes with ...

The mystery object, located just a short 15,000 light-years from Earth in our Milky Way galaxy, was spotted emitting unusual ...

Yet another SpaceX rocket should soon be visible in parts of Arizona's skies as it gets off the ground from neighboring California.

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...

A retired NASA Glenn researcher recalls working on Space Station Freedom while he examines a set of plans from 1992 that were ...

Some astronomers say the strange, clustered orbits of icy rocks beyond Neptune indicate that something big is out there, ...