August 23, 2010 - One of the iconic images of Lake Superior's North Shore is no more. MPR’s Bob Kelleher reports that a rock bridge known as a sea arch on the shoreline in Tettegouche State Park has collapsed, leaving behind a tree-covered stone pillar isolated in the lake.
August 12, 2010 - MPR’s Bob Kelleher reports from the shore of Lake Superior, where the water has reached record high temperatures during the summer of 2010. Kelleher talks with officials on what is causing the warm water and its potential impact.
July 29, 2010 - MPR’s Bob Kelleher reports on the Duluth’s Tall Ships Festival, where massive crowds of boat watchers are expected. Nine sailing ships will be on display in the harbor for the four-day event.
January 28, 2010 - MPR’s Bob Kelleher reports that a deadly fish disease has been confirmed in Lake Superior. Researchers have identified the disease known as VHS in fish taken from four places in the lake, including the Duluth-Superior Harbor. It is not known yet if that means fish populations are at risk in the big lake.
November 2, 2009 - As part of MPR News series “Stress-Testing the Recovery,” MPR’s Bob Kelleher profiles Hibbing, an area in northeastern Minnesota which has the highest jobless rate of any city in the state.
June 22, 2009 - MPR’s Bob Kelleher reports that unmarried couples can register as domestic partners in the city of Duluth. The city's official acknowledgement could help some couples qualify for benefits like health insurance that employers typically offer married couples. Duluth becomes the second Minnesota city to recognize domestic partnerships.
January 15, 2009 - MPR’s Bob Kelleher reports that efforts to help Lake Superior sturgeon become self-sustaining is entering a critical phase. Lake Superior sturgeon were nearly wiped out in the big lake about a century ago. In the 1980's, wildlife officials began restocking sturgeon. Those fish are just now reaching the age to reproduce - but they don't have a good place to do that. Crews have been busy this winter, trying to build the perfect sturgeon love nest.
July 7, 2008 - MPR’s Bob Kelleher visits the Split Rock Lighthouse as it undergoes a large restoration work. The lighthouse is 130 ft above Lake Superior's blue waves, but the lake's notoriously bad weather and winds have taken a toll on the iconic structure.
May 12, 2008 - MPR’s Bob Kelleher reports that Lake Superior's low water in 2007’ revealed something disturbing…gaping rusted holes in much of the underwater steel in the Duluth-Superior harbor. The aggressive corrosion, discovered just a couple of years ago, has caused extensive damage below the water line. The cause is still a mystery, but studies have begun to identify some leading suspects.
April 1, 2008 - MPR’s Bob Kelleher reports that there are urgent new efforts to keep a virus that's deadly to many kinds of fish out of Lake Superior. The disease, known as VHS, has quickly spread through the other Great Lakes. Minnesota officials say if it reaches Lake Superior, VHS could jump to inland waters and devastate the state's fishing industry.