Closure timeline updated as crews begin preparation work.

Migration continues, mammals prepare for winter, and some insects are seeking places to hibernate.

Guest writer Jessica Turtle shares a story of enjoying natural wonders without worrying about species names.

Winter preparations are underway in earnest now.

Event in Osceola will offer presentations on variety of St. Croix scientific topics.

Partnership with the Minnesota Land Trust and Washington County completes permanent protection of the St. Croix Watershed Research Station — more than 300 acres in total

Read about a few of the lesser-known river conservationists whose impact is still felt today.

Couple donates 110 acres to conservancy for perpetual protection.

Several events the week of Sept. 21-25 will offer education and service.

After three years of organizing, residents won stronger oversight of Ridge Breeze Dairy, but say Wisconsin communities should not have to fight for basic protections one permit at a time.

Unique ecological preserve has rich human history.

Parking lot and boat ramp will be used for staging and access during bridge replacement project.

Migrating birds are passing through while male deer develop antlers and a few amphibians can still be found.

Sept. 25 event on Stillwater riverboat will feature premiere of new short films about the river.

Shanai Matteson combines art and activism to educate and organize in defense of water and a rural way of life.

Sept. 21 event offers update on bridge closure schedule and other details as replacement project begins.

Agency urges people to give each other plenty of space, be aware of surroundings, and respect one another.

Maps mark the paths of time.

Largest environmental grant cycle in regional grant program history brings three-year grantmaking to more than $708,000.

Environmental attorney finds gaps and flaws with proposal and environmental review.

Prairie birds prepare to bid farewell and squirrels are storing seeds and nuts.

Bridge will close to traffic in mid-October for approximately one year, shorter than earlier estimate.

Mille Lacs Band leader says a nearby nickel mine proposal puts Ojibwe people at risk.

Groundbreaking journalist and her friends complete their journey with final stops in Marine on St. Croix and Stillwater.

Tribal members build replica village to honor ancestors and remember roots.

Monarchs make first moves toward migration while late season blossoms bloom.

The future friend of Eleanor Roosevelt encountered sand and deadheads that made her group's trip difficult.

The days of grasshoppers and hummingbirds.

Northern Pike (Esox Lucius) (Neil Ward/Flickr) With hot summer weather creating stressful conditions for fish in lakes, rivers and streams across the state, the Minnesota Department of Natural Resources is sharing what people can do if they see a fish mortality event — and how they can help prevent them. “We have been seeing chronically stressful conditions this summer for fish and are receiving continued reports of fish mortality events,” DNR Fish Health Supervisor Isaiah Tolo said.

Minneapolis Tribune published humorous report on a weekend trip down the river by Lorena Hickok in 1921.

Talon Mine proposal raises concerns about water pollution and other impacts.

Moth Week starts soon, encouraging everyone to enjoy these overlooked insects.

Scientists are invited to present on a wide variety of research topics related to the St. Croix River basin.

Round construction at Minnesota highway intersection will cut off access to bridge and boat landing.

Summer is still sweet as the season progresses.

Wooden boats and summer fun at July 14 event in Marine on St. Croix.

Board halts proposal for now over threats to river and lack of information.

New state-of-the-art launch supported by park's friends group.

Officials say public water users should think of how activities affect other people and the environment.

Creatures large and small are growing up in the woods, prairies, and waters of the park.

Business founded by a teenager in 1906 continues its tradition four generations later.

Moth mania, summer fungi, basswood blossoms, and much more.

Lake association seeks solution to sedimentation, but opponents say it would send pollution into the St. Croix.

Come along on for a magical morning accompanied by some endangered birds.

Some birds are having their second broods, while herons stalk the shallow waters.

Create a five-minute or shorter film about the river by August 1 to qualify for cash prizes and inclusion in screenings.