See where shade appears so you can survive a scorching summer in the city. The sun is liquifying Madrid. Again. June 2025 ...

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...

Vessels in a tree’s xylem transport water from the roots to the rest of the plant. Hardwood tree species tend to have large ...

Have you ever noticed the strange, colorful splotches clinging to rocks, tree bark, or even old fences after a rainy day?

Sea level on Earth has been rising and falling ever since there was water on the planet. Scientists were already able to use ...

In a Swiss pine forest, the treetops are being sprayed with mist in a bid to discover the effect that drier or wetter air has on their ability to survive.

Another goal is to better understand tree mortality, given that trees "allow us to estimate the concentration of carbon dioxide in the atmosphere", with CO2 being the main climate-warming greenhouse ...