New Estimate Makes Groundwater – Not Ice Sheets – Earth’s Largest Water Reservoir on Land

Child’s Play: Are Tibetan Hand and Foot Traces From 200,000 Years Ago the Earliest Example of Parietal Art?

NASA’s Perseverance Rover Cameras Capture Mars Like Never Before – “A Huge Piece of Everything”

Could Low-Altitude Magnetic Reconnection Power Jupiter’s Polar Aurorae?