The best time to prune most of our deciduous trees and shrubs is late winter. One reason is that insect pests and plant ...

Biodiversity loss has accelerated at an alarming rate in recent decades, driven largely by human activities such as clearing ...

Botanists have found a stand of rare trees in Tanzania’s Zanzibar archipelago not known to grow wild anywhere else in Africa.

Global warming is producing a rapid loss of plant species -- according to estimates, roughly 600 plant species have died out since 1750 -- twice the number of animal species lost. But which species ...

Fewer wildfires burn in North American forests today than in previous centuries, increasing the risk of more severe wildfires ...

Glaciers, fjords, and mountains await in this stunning region of Norway, one of Rick Steves' favorite places to appreciate ...