Bylot Island, background, lies just north of Pond Inlet, the northernmost town on Baffin Island. Photo: Jerry Kobalenko Intrigued, they started testing the layers of sediment on top of the ice.

THE practical problems involved in the interpretation of geological and topographical maps are here dealt with in a manner likely to appeal to students of geology and civil engineering.

Moon Lidar is a visualization of the data collected by NASA’s Lunar Orbiter Laser Altimeter (LOLA) mission. According to this factsheet, the visualization includes nearly six billion measurements.

A 'ghost' island that suddenly appeared in the Caspian Sea in early 2023 is playing a centuries-long game of peekaboo with scientists, and it's about to vanish once again – if it hasn't already ...

A series of images from NASA's Landsat 8 and Landsat 9 satellites have captured the island's appearance in the sea and its near-complete disappearance by the end of the following year. Satellite ...