North America didn't always have its familiar shape, nor its famed mountains, canyons, and plains: all of that was once contained in an unrecognizable mass, buried deep in Rodinia, a huge supercontinent that lay on the face of the Earth....

From the Sierra Nevada to the Rockies, these natural giants were formed in different ways over thousands of years, making up the United States's iconic landscape.

Explore Bodie, California, once a bustling gold mining center, now one of the most well-preserved ghost towns in the U.S., standing as a testament to the gold rush era.<br/>

Granada, Spain:We start our trip in the mountains of La Sierra Nevada, in the city of Granada, Spain, a place where we can ski and which is only an hour away by car from the beach. We will visit the City of La Alhambra, a palatial...

Explore Bodie, California, once a bustling gold mining center, now one of the most well-preserved ghost towns in the U.S., standing as a testament to the gold rush era.

Tabi Taliwaku Kalisa, program manager of NASA's Small Business Programs, shares how NASA helps small businesses to get involved in space exploration and scientific discovery by working with them from the spark of an idea to literally...

When Joseph Walker passed through in 1833, there were none, but today, thousands of maps portray Yosemite National Park. From a land grant created during the Civil War, to modern computer mapping, these maps also tell the story of the...

Disease, pollution, and loss of habitat are killing off hundreds of species of amphibians. One of the biggest threats right now is an aquatic fungus called chytrid that infects the skin of these historically tough, resilient creatures....

On this episode of Rocket Ranch we catch up with several members of Commercial Crew to talk about the past, present and future of the program.

Water is the life-blood of Yosemite National Park. The Tuolumne and Merced rivers water some of the most productive farmland on the Earth, and urban dwellers throughout the state depend on the Sierra Nevada snowpack for their domestic...

San Francisco is famous for many things – but what you probably don’t know is that much of the city is made from ships that sank or were repurposed during the Gold Rush.

Throughout the winter, the elevation where rain turns to snow changes with each new storm. Join a meteorologist and park scientists as we chase the snow line in Yosemite.

A talk by Richard Nevle, Deputy Director of the Earth Systems department at Stanford University. Richard’s teaching and work at Stanford has been wholly influenced by his connection to the Sierra Nevada mountains of California and...

Sierra Nevada bighorn sheep are the rarest mountain sheep in North America. After the population dropped to around 100 animals in 1995, this unique sub-species was listed as an endangered species. In the spring of 2015, these charismatic...

Can we save the Sierra Nevada yellow-legged frog from extinction? Human introduced non-native species (fish and fungus) have been causing the frog to go from the most abundant amphibian in the Sierra Nevada to critically endangered....

Water is the life-blood of Yosemite National Park. The Tuolumne and Merced rivers water some of the most productive farmland on the Earth, and urban dwellers throughout the state depend on the Sierra Nevada snowpack for their domestic...