Part of Lake Michigan sits on limestone, which is prone to dissolving. So, it's likely that the newfound craters on the lakebed are sinkholes as well. More research needs to be done before some ...

Since Lake Michigan partly sits on limestone, it’s likely that the craters on the lakebed are also sinkholes, Ruberg said. Nevertheless, other experts are reluctant to brand the circles ...

Those wanting to recreate in the deepest lake in the U.S. will need to schedule a visit soon, before access closes for two ...

This summer will be the last chance to swim or take a boat tour in the waters of Crater Lake for an extended period.

This year will be the last summer to swim and do boat tours at Crater Lake until 2029, due to construction on the lake's only accessible trail.