There are 49 species of pine tree native to North America. Non-native species have also been introduced to the United Sates, as ornamental trees in landscaping.

All the season’s colors made the gray mockingbird seem so majestic,” says Birds & Blooms reader Sujata Roy. In addition to ...

Forests aren’t keeping up with today’s climate chaos. While temperatures soar within decades, tree populations take 100 to 200 years to shift in response. A sweeping new analysis of ancient pollen and ...