Walden became the foundational text for the aesthetic strand of the American environmental movement. Its emphasis on nature’s beauty and the spiritual inspiration that could be enjoyed at a humble ...

Dunbar Cave, home of numerous petroglyphs and pictographs dating back at least 800 years, was submerged by a flood in ...

Cascadia and San Andreas link raises spectre of simultaneous disasters, findings that could undermine insurance models and ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, ...

A trove of specimens from New Mexico may help settle a long-running argument about the diversity of dinosaurs before their ...

Lake Tahoe served as both a classroom and a time machine for Western Nevada College geology students recently, as Dr. Winnie ...

New research suggests that dinosaur populations were thriving in North America before the asteroid impact 66 million years ...

New research suggests dinosaur populations were still thriving in North America before the asteroid strike, but it’s only one ...

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Large changes in global sea level, fueled by fluctuations in ice sheet growth and decay, occurred throughout the last ice age ...