The moon has been our friendly neighbour in the sky for billions of years. It has guided us home, kept us on time, protected us, propelled us into space and has even launched dance crazes! It’s hard ...

Scientists from the Institute of Geology and Geophysics of the Chinese Academy of Sciences (CAS), the CAS Aerospace Information Research Institute, and other institutions, have revised the decades-old ...

Lava tubes aren't new to our solar system; they've hinted at volcanic pasts on Mars and the Moon. But spotting them ...

Mars, a world now circled by two lumpy rocks, may once have hosted a colossal companion that dominated its sky. New work on the planet’s tides, topography and wobbly interior points to a “lost” ...

For the first time, scientists have confirmed that the impact cratering rates on the near and far sides of the moon are essentially consistent, laying a solid basis for the establishment of a globally ...

Relatedly, astronomers may have just pushed the upper size limit of what counts as a planet.