WASHINGTON - U.S. Sens. Mike Enzi and John Barrasso and Rep. Barbara Cubin, all R-Wyo., applauded yesterday’s decision by the National Park Service’s decision to keep Sylvan Pass open to snowmobiles ...

Yellowstone ’s East Entrance opened at eight o’clock this morning for the winter season. All park entrances are now open. Park employees utilized a howitzer to conduct avalanche hazard mitigation ...

CHEYENNE - The National Park Service has formally approved an agreement it reached with Wyoming and other parties to use explosives to keep a mountain pass open to guided snowmobile access on the ...

YELLOWSTONE NATIONAL PARK - Beginning Sunday, December 22 at 8 a.m., East Entrance to Lake Butte Overlook (Sylvan Pass) will open to the public for oversnow travel on commercially-guided snowmobiles.

YELLOWSTONE NATIONAL PARK -- Changing snow conditions on Sylvan Pass changed again over the weekend, leading park officials to open the East Entrance road from sunset to mid-morning. Dan Hottle, a ...

CODY - With time running out before a final decision is made on winter use in Yellowstone National Park, state and federal officials continue to spar over the costs and risks of keeping Sylvan Pass ...

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CODY, Wyo. - With time running out before a final decision is made on winter use in Yellowstone National Park, state and federal officials continue to spar over the costs and risks of keeping Sylvan ...

Wyoming brought out its firepower Monday against a proposal to shut down Sylvan Pass in Yellowstone National Park during the winter. State legislators, congressional representatives, county ...

JACKSON, Wyo. (AP) — An unknown number of dud artillery rounds litter the slopes above a remote pass inside Yellowstone National Park, but there are no plans to find and safely detonate them or stop ...