It's a rare feat to approach these all-time cold benchmarks. See how frigid your state has been in U.S. weather records.

It's a rare feat to approach these all-time cold benchmarks. See how frigid your state has been in U.S. weather records.

Then he started walking, with the goal of following the Continental Divide Trail—one of the great treks this country has to ...

Would you attempt a 3,100-mile (4,988-km) hike over some of the most challenging terrain in the United States ... talking about the incredible Continental Divide National Scenic Trail, one ...

Nearly 100 years after it was first negotiated, a new contract for rail use of the Moffat Tunnel is likely to be announced in ...

The U.S. Fish and Wildlife Service’s former longtime grizzly bear recovery manager has written a new report that recommends ...

Instead of managing each of the populations separately, the groups are arguing for a strategy that combines the ecosystems ...