As students head to Edmonton for the Canada-Wide Science Fair, longtime mentors say curiosity, encouragement and community ...

This video shows a massive green volcanic mountain rising beside the Pacific Ocean on the island of Oahu, Hawaii, United ...

Yosemite National Park is one of the most visited sites in the country, but this underrated California alternative is just as ...

Kānepō Ka Lua will be on loan at the Smithsonian’s National Museum of American Indian for the next 20 years before returning ...

Scientists have long known about a major fault off the Pacific Northwest coast that could potentially cause a major ...

Wildfires are forcing evacuations across California, displacing thousands as conditions rapidly change and smoke spreads ...

We know, the headlines can sound terrifying. In this series, Mashable speaks with experts to bring you the unvarnished truth about science, health, threats from space, and scary-sounding creatures.

Forty-six years ago today, Mount St. Helens erupted and unleashed a catastrophic landslide and mudflows that led to the ...

The entire northern face of Mount St. Helens gave way on the morning of May 18, 1980 ...

NASA’s Perseverance rover may have found some of the oldest rocks ever studied on Mars at an outcrop named "Arethusa." ...

Hawaii's Kilauea volcano shoots lava into the sky in the latest display of a powerful eruption, shooting molten rock into the ...

Looking for California road trips that deliver luxury experiences without luxury prices? These 9 destinations offer ...