It measures 310,000 square kilometres (119,000 square miles) and its ‘roots’ extend around 30 kilometres (18 miles) into the Earth’s crust. (For comparison, the US state of Washington is 184,661 ...

New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid eggs.

Scientists at the University of Oxford have finally settled a decades-long mystery about the Moon’s magnetic field — and it turns out both sides were right. By reanalyzing Apollo mission rocks, they ...

Planetary scientists have produced the first global map of small mare ridges on the Moon, adding new evidence that the lunar surface has been reshaped in geologically recent times by tectonic forces ...