As an ice sheet thousands of feet thick began its final crawling retreat from North America to the Arctic toward the end of the last glacial period some 10,000 years ago, it left behind the planet’s ...

After nearly a week of freezing temperatures — below zero on several days — the Great Lakes are seeing significant ice creation, with Lake Erie nearly completely frozen over. Lake Erie was about 80% ...

The Great Lakes reached their highest ice coverage (52.23%) since February 2022. Lake Superior was the last of the Great Lakes to become ice-free on May 11, 2025. As of June 6, 2025, water ...

The Great Lakes saw at least 25 waterspouts Aug. 24-25, according to the International Centre for Waterspout Research. More ...

Due to a recent cold snap, ice coverage on the Great Lakes is significantly higher than last year. Lake Erie is almost entirely frozen over, with ice coverage at 85%. The other Great Lakes have ...

After nearly a week of freezing temperatures — below zero on several days — the Great Lakes are seeing significant ice creation, with Lake Erie nearly completely frozen over. Lake Erie was about 80% ...