YELLOWSTONE NATIONAL PARK, Wyo. (AP) — A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it’s visible from a road rather than any ...

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it’s visible from a road rather than any significant change in the park famous for ...

The thermal feature was first spotted by scientists last summer and inspired them to trudge across a marsh and measure 171-degree (77-degree Celsius) steam venting from the base of a wooded hill. A ...

Was it really steam, the ranger wondered, or was it wildfire smoke? The column turned out to be steam — and not just any steam. It was coming from a new thermal vent, according to a recent blog ...