The caverns sit atop the Grand Canyon Inn between Peach Springs and Seligman and are a worldwide tourist attraction.

Lawyers for President Donald Trump’s administration say he has the authority to abolish national monuments meant to protect ...

Attorneys representing President Donald Trump's administration claim he has the power to dissolve national monuments ...

The Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...

Beneath the Grand Canyon’s iconic layers, scientists have uncovered a fast-paced, 500-million-year-old tale of evolution that ...

The duo’s work gave future botanists a baseline from which to trace the Grand Canyon’s flora over ... deposits that once protected fragile archaeological sites from erosion flushed away ...

Tom is a writer in London with a Master's degree in Journalism whose editorial work covers anything from health and the environment to technology and archaeology. The rugged, ravine-ridden terrain ...

The new national monument was intended to build on that moratorium by permanently protecting the Grand Canyon’s rivers, springs, waterfalls and creeks from future uranium mining pollution, while ...

The new article — by researcher Raúl Sánchez Rincón, from the Museum of Archaeology of Álava ... the expedition discovered the Grand Canyon, a natural formation that was declared a World Heritage Site ...