During its field trip from July 18-21, the research group, made up of Vietti and a handful of UW students, visited the Green River Stone Co. quarry, Rick Hebdon’s state fossil quarry, Fossil Safari ...

KEMMERER — Laura Vietti recently took some of her students on a trip back in time to Wyoming’s Green River Formation, where Eocene-era fish once swam; bats and birds flew; ...

If you’ve never touched something more than 30 million years old, now’s your chance at Explorit Science Center. Our stunning Green River fossil has recently gone back on display, and visitors are ...

It was part of the famous Green River Formation, an approximately 42-53 million year old slice of earth’s history known to be rich in fish fossils. It did not take long to start finding what we ...

One fish, two fish, dead fish, cool fish.There's room for all types in a newly described fossil that shows 259 baby fish swimming together in a school, approximately 50 million years ago.

Some environmental groups are fighting against hydro power due to dams supposedly harming fish. Ken Ruinard / staff / USA TODAY NETWORK Instead of using fossil fuels, we’re told to use “clean ...

Fish swim in oblong formations, huddling together to avoid being swallowed. ... But the 50-million-year-old fossil, hoisted from the Green River Formation in Colorado, ...

A rare fossil discovered near Kemmerer — of what is possibly a new genus and almost definitely the first of its species found in the area — is being prepared ...

A shoal of 259 fish preserved in a slab of limestone, dating back to at least 50 million years ago, from the Green River Formation. Image Credit: Mizumoto et al, Proceedings of the Royal Society B ...

In the 16 years he’s led the program, Lance Grande of The Field Museum in Chicago has helped students make all sorts of discoveries in Wyoming’s Green River Formation. This 52-million-year-old site is ...

During its field trip from July 18-21, the research group, made up of Vietti and a handful of UW students, visited the Green River Stone Co. quarry, Rick Hebdon’s state fossil quarry, Fossil Safari ...

It’s not clear what overtook this school of fish, but the remnant—an untimely demise etched in a limestone slab for all eternity—is a breathtaking glimpse of ancient fish shoaling. A social behavior ...