First the bad news: sea lampreys exceeded abundance targets in 2024 in all five Great Lakes. Now the silver linings: the findings weren't a surprise, the reason is well understood and the coming years ...

Extreme heat waves and cold spells on the Great Lakes have more than doubled since the late 1990s, coinciding with a major El Niño event. Using advanced ocean-style modeling adapted for the lakes, ...

A warm start to the winter season has left the Great Lakes virtually ice-free and with their lowest ice cover to kick off a new year in at least 50 years. On New Year’s Day, only 0.35% of the Great ...