The study conducted by forestry researchers supports a “trophic cascade” theory of ecological interdependence — extending to plants, animals, food chains and ecological zones.
Wyoming Recreation & Environment
Analysis of the plant fossils showed that the plants from before and after the Paleocene-Eocene Thermal Maximum were from typical forests for the time, containing relatives of dawn redwood, alder, sycamore, walnut and sassafras.
A research team identified the tracks of the six-foot-tall, bipedal dinosaur at sites in northern Wyoming, including the Bighorn Canyon National Recreation Area
A powerful earthquake that rocked Alaska in 2002 changed the timing and behavior of some of Yellowstone’s geysers and hot springs.
This is the fifth time in less than 10 years that the U.S. government is requesting public comment on snowmobile use in Yellowstone and Grand Teton National Parks.