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

Jupiter, roughly 562 million miles from Earth today, has nearly 100 moons. But Batygin and his collaborator Fred Adams' ...

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been remains a mystery.

Madrid knew solar and wind power were unreliable but pressed ahead anyway.

China's ambitious Tianwen-2 mission will soon be heading to two extremely different space rocks, and should provide vital ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, Amy Simon (NASA-GSFC), Michael H. Wong (UC Berkeley) / VISUALIZATION: Joseph ...

Siemens wins highly lucrative contract to install seven syncons – huge spinning machines that do not burn fuel – to support rollout of wind and solar projects in NSW.

The core of the Red Planet may be filled with sulfur. New experiments have shown that the core of Mars formed much faster ...

The study by Konstantin Batygin of Caltech and Fred Adams of the University of Michigan pulls off a rare feat in planetary ...

Astronomers have discovered that the Jupiter, the largest planet in our Solar System, was once so big that it could have held ...

Saturn's moon Titan has an atmosphere that spins with a tilt completely separate from the moon's surface rotation.