Ranger Michael Raymonds explains why giant sequoias get so giant and how they've adapted to the Sierra Mountains.

Caprice Phillips shares how trips to her grandparent's home in rural Arkansas with her first telescope inspired her to search for planets outside our solar system and why representation in science is so important.

Saguaro National Park receives about 10 inches of rain a year, but has some of the highest biodiversity in North American. Learn how plants and animals are adapted to a hot and dry environment.