A drastic increase in unregulated production of rare earth minerals in Myanmar is causing serious environmental concerns downriver in Thailand, as China's influence in the sector looms large.

Inside the federal courthouse in Washington, D.C., on Monday, tensions over the potential for federal overreach broke into open court.

Ancient organisms may have left microscopic "biosignatures" on Mars. That's according to NASA scientists, who say a rock sample offers the most concrete proof yet that the red planet once…