Scientists Dived Deep in a Nevada Cave and Made a 580,000-Year-Old Climate Discovery - Indian Defence Review

Deep Dive in Nevada Cave Unlocks 580,000 Years of North American Climate History

Scientists Retrieve Half-Million-Year Climate Record from Submerged Calcite Deposits In a remarkable feat of paleoclimatology and technical diving, researchers from Oregon State University (OSU) have successfully retrieved and analyzed a unique archive of climate data hidden deep within a submerged Nevada cave. The discovery, extracted from calcite deposits, provides an unprecedented, continuous record of regional…
China Launches Uncrewed Shenzhou 22 as Emergency Lifeboat for Stranded Tiangong Astronauts

China Launches Uncrewed Shenzhou 22 as Emergency Lifeboat for Stranded Tiangong Astronauts

Urgent Rescue Mission Underway for Tiangong Crew In a rapid response to an unprecedented orbital safety concern, China is preparing to launch an uncrewed Shenzhou 22 spacecraft tonight, November 24, 2025. The mission is critical: to deliver an emergency return vehicle—a “lifeboat”—to the Tiangong Space Station (TSS), where three astronauts are currently stranded without a…