By discovering carbonate rocks, NASA's Mars rovers may have unlocked the key to understanding the fate of the Red Planet's climate.

China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of competing U.S.-European efforts ...

Missing Nova Scotia boy Dylan Ehler doesn't meet unsolved crime reward program criteria, police say. Truro police and the province’s justice department say they understand that there is still ...