Two nonprofits have joined forces to tackle a decades-old issue within the Pisgah National Forest: kudzu and other non-native ...

The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it ...

Tsingy de Bemaraha National Park, in northwestern Madagascar, is filled with breathtaking shards of karst limestone. Creating ...

The largest agricultural boom on the planet threatens to destroy a spectacular savanna. Here's what happens when progress ...

Cyanobacteria began contributing oxygen to Earth’s mostly noxious atmosphere more than 2 billion years ago. The photosystem ...

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