Tephra is fragmented volcanic material — including ash, rock and strands of volcanic glass — blasted into the air during an ...

Thanks to upstream diversions and climate change, Utah's Great Salt Lake has shrunk by 70% since 1989, exposing about 800 ...

As the United States prepares to celebrate its 250th birthday, we’re taking a closer look at what makes America and especially Nevada so unique.All year long, A ...