Archaeologists use obsidian to determine how far people traveled on ancient trade routes across Wyoming. Each obsidian flake bears a unique ...

The discovery could produce enough money to offset the cost of creating the CO2 storage space deep underground. It also could create a new industry for Wyoming, UW officials said.

In all the races, riders went elbow-to-elbow with each other as they careened around a one-eighth-mile dirt oval.