TRAVERSE CITY, Mich. (AP) — The Great Lakes have endured a lot the past century, from supersized algae blobs to invasive mussels and bloodsucking sea lamprey that nearly wiped out fish populations.

Located in East Java, Indonesia, Kawah Ijen is part of a large volcanic complex and is known for holding the most acidic ...

Now, another danger: They — and other big lakes around the world — might be getting more acidic, which could make them less hospitable for some fish and plants. Scientists are building a sensor ...

TRAVERSE CITY, Mich. (AP) — The Great Lakes have endured a lot the past century, from supersized algae blobs to invasive mussels and bloodsucking sea lamprey that nearly wiped out fish populations.