Shutterstock August 2, 2022 Explorers just uncovered Australia’s deepest cave. A hydrogeologist explains how they form Gabriel C Rau, University of Newcastle Caves form over millions of years, as a result of flowing water slowly working away at ‘soft’ calcareous rock.
Scientists have been studying lunar samples brought back from Apollo missions to understand the geologic history of the Moon. NASA August 4, 2021 Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo John Tarduno, University of Rochester Without a magnetic field, the Moon’s surface is exposed to solar wind. These could have been depositing resources like water and potential rocket fuel on the Moon’s surface for billions of years.
Artist’s impression of Mars InSight. NASA/JPL-Caltech February 24, 2020 Mars quakes: The InSight lander shows active faults in the planet’s crust David Rothery, The Open University The InSights mission is producing the first evidence-based picture of Mars’s interior.