"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

Researchers have uncovered physical evidence indicating that Earth was entirely frozen during the “Snowball Earth” period, spanning roughly 720 to 635 million years ago. During this period ...

Three-part series that looks at a year in Alaska, revealing the stories of pioneering Alaskans, both animal and human, as they battle the elements and reap the benefits of nature's seasonal gold rush.

A melting ice patch in the Rocky Mountains uncovered an ancient forest, and these trees have stories to tell about dynamic landscapes and climate change.

“Moon,” came the answer. But Frankopan, amused, said, “No, that’s the frozen Earth.” And with that, he launched into his exploration of The Earth Transformed, taking us from a lifeless ...