The forests of Indiana are a glory this time of year. Lumbering catalpa trees growing above Indianapolis homes are starting to fade into gold and the forests of Brown County have fallen into a vibrant ...

Florida isn’t famous for its fall foliage (or lack thereof) and doesn’t cool down as quickly as more northern states do at the turn of the season, but there are still pretty leaves to see in the ...

When trees start changing in early spring, many types of crabapples are among the first to start flowering. There are more than 1,000 known cultivars of these popular trees, and they all have slight ...

Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color vision needed to see them. The natural world is awash with color, and many ...