August Weismann's germ plasm theory of the late 19th century posited that only germ cells, e.g., sperm and egg cells in ...

Trees may reveal when they’re thirsty by lifting and drooping their branches, offering a simple visual clue to forest water ...

When periodical cicadas surface after years underground, they don’t grope blindly for trees. They head for the shadows, ...

With the arrival of spring a few weeks ago, new buds and colors on the trees started to appear. Along with that new growth, a ...

In the southern Ethiopian region of Sidama, unsustainable farming practices and tree cutting for fuel are causing land ...

You need a logging axe to cut trees. There have been a few incidents in our experience where, in the middle of combat, trees came crashing down, presumably from sword strikes. But it wasn't something ...

Originally promoted for landscaping, they cross-pollinate and create thorny thickets that harm native ecosystems. The trees offer minimal ecological benefits and can be a safety risk due to their ...

Qualifying residents in Caldwell, Nampa and portions of Meridian have the opportunity to choose between more than 10 types of trees for their yard this spring. Trees Idaho said the giveaway is part of ...

Trees can be identified in winter by observing their needles, bark, branching patterns, and buds. Distinctive bark, such as the smooth gray bark of a beech or the peeling white bark of a paper birch, ...

A warm, windy Wednesday triggered an early-season surge in tree pollen across the Triangle. The culprit? The trees. Other WRAL Top Stories According to Wednesday morning’s pollen report, four types of ...

The Amazon's biggest trees store disproportionately more carbon than smaller trees do, new study finds. But in the Peruvian Amazon, large trees are currently prioritized for harvest. When you purchase ...

Very few people alive today have seen the Appalachian forests as they existed a century ago. Even as state and national parks preserved ever more of the ecosystem, fungal pathogens from Asia nearly ...