Spiral troughs found on the surface of Mars are in situ ice-excavated canyons with a total volume 10 times that of the Grand Canyon, making them one of the largest and youngest geologic ...

Catherine Weitz, a senior scientist at the Tucson-based Planetary Science Institute, has reported new evidence for multiple, water-related geologic processes on Mars. She and her colleagues studied ...

BENGALURU: Monday’s short spell of rain is a harbinger of things to come this week. The formation of troughs and cyclonic systems foretell rain across South and Central Karnataka over the next few ...