With a nod to Arbor Day, here's a rundown of some of the Earth's biggest tree species -- and what ails them.
Found in a rock quarry, the fossils date back to the time of the dinosaurs Continue reading →
Replacing broadleaved forests with evergreen trees is contributing to climate change, even when tree coverage increases. Continue reading →
The plant kingdom has a rich natural history all its own.
Warming temperatures and drought are making it tougher to survive.
Ants in Australia's semi-arid areas routinely carry seeds half their size over distances of 50 meters.
Drones are taking on deforestation and planting trees more efficiently than ever before.
An exhaustive project traces the evolutionary relationships between all of the 2.3 million identified species of plants, animals, microbes and fungi on Earth.
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