But a few dozen of its neighbors have taken ill and died in recent years under threat from drought and bark beetle infestations, so on Tuesday the giant sequoia known as the General Sherman tree ...

SEQUOIA NATIONAL PARK, California (AP) — High in the evergreen canopy of General Sherman, the world’s largest tree, researchers searched for evidence of an emerging threat to giant sequoias ...

A giant sequoia in California's Sequoia National Park may be the largest tree in the world, but it isn't nearly as old as scientists have thought, according to a forest ecologist's surprising new ...