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

Astronomers have just discovered a new celestial body in our solar system that could challenge major space theory. 2017 OF201 ...

NASA’s boldest plan yet to find alien life in our solar system targets the most unlikely place: Venus. With its scorching ...

China’s Tianwen-2 mission has launched to explore an asteroid that may be a piece of the moon, as well as an active asteroid ...

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

The CZ-3B/E Y110 flew on an eastbound path and launched Tianwen-2 on an Earth escape trajectory. Tianwen-2 will orbit ...

China continued its interstellar exploration, with Tianwen-2 - the country's first asteroid probe and sampling mission - ...

China's Tianwen-2 spacecraft is scheduled to launch this week and will study two solar system bodies up close.

A decade after the release of "The Martian" and a decade out from the world it envisions, how close is reality to fiction?

Pluto was long considered the ninth planet of the solar system, but changes to the definition of planet got it kicked out of ...