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Mike Davis stands next to six tanks that will hold fish that are hosts to freshwater mussels (Contributed photo)
Science and Nature

Minnesota's 'mussel guy' honored by Mississippi River Museum

Science and Nature

Planets putting on final show this month

Science and Nature

Minnesotans missed out while fund sat untouched

This is the Emerald ash borer beetle that has been destroying ash trees around the nation since 2002 and has since spread to 35 states and five Canadian provinces killing hundreds of millions of ash trees. Submitted photo
Science and Nature

North Dakota, Minnesota to continue emerald ash borer regulations after federal rules expire

A goat munches on a branch in April at Chester Woods Park in Eyota. Goats were brought to the park as part of an eco-friendly effort to help control invasive species. (Traci Westcott / twestcott@postbulletin.com)
Science and Nature

LOOKING AHEAD TO 2021: 'People really turned to nature for healing and for their own well-being'

Lauren Nichols and Brandon Smith walk along a path lit by luminaries as part of Quarry Hill Nature Center's first Friday Night Lights event with their children Griffin, 4, and Georgeie, 1, in a carrier on Brandon's back, on New Year's Eve Thursday, Dec. 31, 2020, in Rochester. (Joe Ahlquist / jahlquist@postbulletin.com)
Science and Nature

Nighttime hikers celebrate the new year at Quarry Hill

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Aquila the American kestrel joins the Quarry Hill Nature Center as an education raptor. (Contributed photo)
Science and Nature

New raptors at Quarry Hill give staff 'a lot of work to do'

Sandy Steinberg, of Alexandria, discovered a quadruple-yolk egg in the batch of eggs she purchased from County Pride in Mitchell recently. According to the British Egg Information Service, the odds of finding a quadruple-yolk egg are one in 11 billion. (Submitted Photo)
Science and Nature

South Dakota woman cracks open incredibly rare 4-yolk egg

Science and Nature

Tis the season for holiday waste

Spilled seed on the edge of a field near the Tympanuchus Wildlife Management Area outside Crookston, Minn., in May 2017. Jesse Trelstad for MPR News
Science and Nature

Researchers find insecticides widespread in Minnesota lakes and rivers

Jupiter (L) and Saturn (R) are seen during the "Great Conjunction" where the two planets appear a tenth of a degree apart from one another, in this handout photo near Chapel Hill, North Carolina, U.S. December 21, 2020. NASA/Bill Ingalls/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. MANDATORY CREDIT
Science and Nature

'Great Conjunction': Earthlings treated to rare alignment of Jupiter and Saturn

Dave Garshelis holds three bear cubs temporarily taken out of their mother's den as part of a research project. Garshelis recently retired after 37 years as the Minnesota DNR's lead bear biologist. (Grand Forks Herald photo)
Science and Nature

Minnesota's bear man Dave Garshelis retires after 37 years with DNR

Janice Hauri stands on the shore of Miller Bay, which she said was recently a sandy beach and is now covered with a thick muck. (Karen Tolkkinen / Echo Press)
Science and Nature

Mystery sludge rings Miller Bay on Lake Osakis and residents aren't happy

Science and Nature

What is the 'Christmas star' this year?

A path cuts through prairie on the former contaminated Austin Gas Co. site. (Contributed photo)
Science and Nature

How a contaminated gas site in Austin became a prairie

Quarry Hill Nature Center naturalist Jill Danielsen, right, hands the barred owl to Carol Steenson, a volunteer from The Raptor Center. Once evaluated at The Raptor Center it was determined the owl needed to be euthanized. (Contributed photo/Quarry Hill Nature Center)
People

If you found an injured owl, would you give a hoot?

Two polar bears amble across some newly forming ice and snow along the shore of Western Hudson Bay. Researchers came to the Minnesota industrial giant looking for an alternative to radio collars, which don't work on many bears. Photo courtesy of 3M
Science and Nature

How do you stick a satellite tracker on a polar bear? Polar bear glue from 3M, of course

Science and Nature

Jupiter and Saturn are getting closer, and a meteor shower is coming

Science and Nature

Greenspace: Conservation involves herd work

A clear sky and little light pollution nearby reveal the Milky Way and much more over a Voyageurs National Park lake. The park has been offiicaly certified as an international "dark sky'' park. (Photo courtesy Voyageurs Conservancy)
Science and Nature

Voyageurs Park gets official 'dark-sky' certification

Sherry Fieber-Beyer
Science and Nature

UND researchers trace origins of meteorites