A Houston man was injured by a moose near his home, an unusual event linked to increased moose aggression due to harsh winter conditions.

Sawfish, and about 30 other species of fish, are turning up sick and dying in the Lower Keys as questions mount over what's causing it.

A gray whale, presumed extinct in the Atlantic for over 200 years, was spotted by the New England Aquarium team south of Nantucket, suggesting climate change effects.

Iditarod teams faced a challenging first quarter with bare ground damaging sleds and a dangerous encounter with an aggressive moose that injured a dog.