Ecologists discovered the tallest tree in the Amazon – and it was nearly 50 percent taller than the previous record holder.

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 ...

General Sherman, a giant sequoia (Sequoiadendron giganteum), is a true behemoth of the plant kingdom. Standing at an impressive 275 feet (83.8 meters) tall, this tree dominates the landscape of ...

In Eureka in Humboldt County, the Sequoia Park Zoo is preparing to unveil what it’s calling the “tallest living lighted Christmas tree in the country.” Although zoo officials won’t disclose the exact ...