Isle Royale in far western Lake Superior between Grand Marais, Minnesota, and Thunder Bay, Canada offers scientists a rare opportunity to observe wolves and moose largely free from human influence.

The Great Lakes provide water to hundreds of cities and tribal nations, from Chicago to Duluth to Toronto. Leaders are joining together to advocate for their shared needs and to protect the shared resources of the lakes.

The EPA repealed the key underpinning of greenhouse gas emission regulations. Now environmental and health advocates are taking the agency to court.

“The Gales of November” takes a look back at the SS Edmund Fitzgerald nearly 50 years after its sinking. The 729-foot Great Lakes freighter sank in Lake Superior during a strong storm, killing all 29 crew members.

A new report explores how unprecedented levels of consumption by heavy water users — namely “hyperscale” data centers — could lead to conflicts over and even shortages of water, even in the Great Lakes.

Research vessel Blue Heron trawls the Great Lakes, gathering data from the water. The floating laboratory’s most recent discovery, however, came from an unexpected location: its own rudder.

The U.S. Senate has approved the reauthorization through 2031 of a federal program that provides crucial funding for restoration and protection of Great Lakes ecosystems. Now it’s up to the U.S. House to do the same.

The U.S. Army Corps of Engineers has awarded the first construction contract for the barrier designed to keep invasive carp out of the Great Lakes.

Community volunteers helped Shedd Aquarium researcher Karen Murchie discover an important trigger of sucker fish migration and along the way they've become vital advocates for freshwater animals.

Only a fraction of the Great Lakes’ bottom has been mapped, and those low-resolution charts were completed decades ago, according to the Great Lakes Observing System, a nonprofit that manages data from a network of lake observers and makes it easily accessible.

One man has died after being rescued from Lake Michigan near the Adler Planetarium on Wednesday, according to Chicago police officials.

The Margaret A. Muir sank only a few miles off the entrance to Algoma Harbor. It went undetected for more than a century despite hundreds of boats passing over it each fishing season.

After months of negotiations, Illinois has finally signed onto a project partnership agreement with the state of Michigan and the Army Corps of Engineers to move forward with construction of what’s largely viewed as the last line of defense against invasive carp entering the Great Lakes.

Environmental advocates in the Chicago area and northwest Indiana applauded a tough new slate of Environmental Protection Agency rules for coal-fired power plants — rules that cover local generating stations that are already offline or slated to be phased out.

Alliance for the Great Lakes has collected 20 years’ worth of data from beach cleanups. Tiny plastic trash is a huge problem.

Chicago’s water has been tested numerous times for the presence of so-called “forever chemicals,” and the substances have never been detected.