The geology, fossils and human stories of Florissant Fossil Beds National Monument are part of a common geologic heritage.

Aspen trees tend to have rough bark that ranges in color: greenish or yellowish, grey, white, or a mix. These trees are medium-sized, growing between 20 and 80 feet tall.

On Denver’s modern skyline, the Populus, designed by Studio Gang with interiors by Wildman Chalmers Design, stands out as a tribute to the natural landscape of Colorado. With a design that combines ...

Quaking aspen or trembling aspen (Populus tremuloides) is a native hardwood tree. The name refers to the leaves which tremble in the slightest breeze. It is the most widely distributed tree in North ...

For some trees, winter does not mean a complete cessation in photosynthetic activity or growth. Quaking aspens store chlorophyll beneath their bark (particularly in younger trees), this is what ...

You'll spot them in an iconic Colorado town with front-row views of the mountains, throughout most of New England, and even ...

Scientists have confirmed that one of Earth's most remarkable living beings—a massive forest of quaking aspen trees in Utah known as Pando —is between 16,000 and 80,000 years old, solidifying ...

The researchers collected samples of roots, bark, leaves and branches from across the Pando clone, as well as from other, unrelated quaking aspen trees for comparison.

A “beautiful aspen tree” has been planted on a triangular piece of land in downtown Denver, Mayor Mike Johnston said during a ribbon-cutting ceremony at the new Populus Hotel.

The professors concluded: “Quaking aspen, the most widespread tree species in North America, can now take its rightful place as an acknowledged giant among giants.” 4. It spreads far and wide ...