From asteroids the size of football stadiums to nuclear war and man-made pandemics, it can seem as if humankind is in ...

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

Colossal volcanic eruptions like the kind that may have obliterated the dinosaurs more than 65 million years ago are caused ...

Yellowstone National Park, known for its stunning landscapes and geothermal features, is sitting atop one of the most ...

Giant, large-scale eruptions can have more serious impacts. One such event contributed to the demise of the dinosaurs 66 ...

In what year was Yellowstone National Park established as the world's first national park? Test your knowledge of Yellowstone National Park! Attempt this GK quiz on its location, wildlife, and facts ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

Experts are warning that hundreds of dormant volcanoes around the world will likely become more active and erupt thanks to ...

Millions of years ago, a volcano created Wheeler Geologic Area. We visited the hoodoo-filled landscape and learned what it ...

After a multi-decade march of progressive excesses across our nation’s institutions, the pressure rose enough for the people to look for a relief valve.

On the morning of June 21, visitors at Grand Prismatic Spring in Yellowstone National Park observed a bison slip into a ...