Every year, as the leaves turn and a chill enters the air, a familiar debate lights up social media feeds. The question is simple yet divisive: when is the right time to put up the Christmas tree?

A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations. UC Davis ...

Tree branches in art throughout history follow geometric rules related to fractal geometry. 'Almond blossom' by Vincent van Gogh. Van Gogh Museum, Amsterdam. Do artists and scientists see the same ...

Controversial 2025 study "represents the encroachment of pseudoscience into the heart of biological research." ...

The reason why so many tree species can coexist in species-rich forests has long been a subject of debate in ecology. This question is key to understanding the mechanisms governing the dynamics and ...

For the second year in a row, The Morton Arboretum’s Tree Root Biologist Luke McCormack, Ph.D., has been recognized as one of the most cited and influential researchers worldwide by global information ...

As extreme heat claims more lives during ruthless summers in the region, Southern Nevada is upping the ante in its tree planting efforts. But a new study suggests trees alone may not be enough to make ...

In the days since last week's fatal landslides at Mount Maunganui, there has been widespread discussion about what may have caused the slopes above the campground to fail, including the possible role ...