Reaching the milestone just before Earth Day, Ecosia, the nonprofit search engine, is celebrating 250 million trees planted ...

Add Yahoo as a preferred source to see more of our stories on Google. Trees tell us stories. Scientists count their rings to figure out how old they are and when those years add up, it can be a sign ...

In a remote corner of the White Mountains in eastern California, there is a living organism that was already ancient when the Great Pyramids were being built. This tree, a Great Basin bristlecone pine ...

Hyperion, certified by Guinness World Records as the world's tallest living tree, is officially off-limits to visitors. California's Redwood National Park issued a statement last week that anyone who ...

The World Tree of Hope is now shining bright at Grace Cathedral in downtown San Francisco. The tree, unlike any other in the world, is decorated with close to 20,000 origami cranes. "There's so many ...

Displaying a beautifully decorated and illuminated Christmas tree in homes is a beloved holiday tradition, but the origins of how this tradition came to be is one that is still debated today. One ...

The festive White House Christmas Tree in Washington, DC. The theme for this year's holiday decorations is “Season of Peace and Light.” Photo by Anna Moneymaker. From the “most famous” (a disputed ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Once again, the Citadel Outlets in ...