The majestic redwood tree is one of the top things to see in California. Nestled in the Sierra Nevada Mountains, Sequoia and ...

Roads and one park entrance for Yellowstone National Park are set to open this Friday, weather permitting, ahead of National ...

Learn how the boundaries of the magma chamber beneath Yellowstone have been located, and discover how these boundaries hint at the volcano's future behavior.

SAN FRANCISCO — A federal judge branded Google an abusive monopolist Thursday for the second time in less than a year, this ...