On the first calm, freezing day or night after the lakes and ponds reach 39 degrees throughout, ice covers can form. Already reports have come in of this happening the last week of October. The ...

NASA is studying "thermokarsts" in Alaska, lakes that appear as permafrost there thaws. These lakes can release high levels of methane, a dangerous gas for climate change. As temperatures rise and ...

After a prolonged stretch of above-average temperatures, freezing temps and light snow have made it feel more like winter, even creating some ice on bodies of water. However, just because a lake has ...

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% ...