Researchers discover evidence of a kauri tree "superorganism" in New Zealand.
Repercussions of human pressure ripple from the edges to the center of an enormous protected area.
Scientists explain the lime green look of spring.
When the foraging sea mammals crack shells to collect food, they produce distinctive evidence.
Despite conservation efforts, close assessment of Pando reveals significant losses.
They probably evolved to make mushroom-eating insects lose their appetites.