Experts reveal the best U.S. national parks to visit around Easter, from a tranquil island escape to vibrant wildflower bloom trails.

There are so many things making up the story of a unit within the National Park System, including plants, animals, and ...

Saguaro cactuses tower over Arizona's desert landscape, each year inching higher and higher for hundreds of years as they watch time pass. While they can grow to unique heights, one cactus holds the ...

Saguaro cactuses tower over Arizona's desert landscape, each year inching higher and higher for hundreds of years as they watch time pass. While they can grow to unique heights, one cactus holds ...

The iconic Saguaro cactus is struggling as heat and drought intensify in Arizona. With record-setting summers in 2020, 2023 and 2024, scientists at the Desert Botanical Garden are noticing unusual ...