Another humpback whale was spotted dead late Monday, floating near a shipping channel between New York and New Jersey, the 13th whale found in the two states in three months.
Once hunted to the brink of extinction, fin whales in the Southern Ocean have rebounded and returned to their historic feeding grounds, according to a new survey.
A series of ecological initiatives, including the eradication of several invasive species, has dramatically revived the life and landscape of this remote sub-Antarctic island.
Wilder winds are altering crucial currents. The sea is releasing ancient carbon dioxide. Vast ice shelves are melting from below. See why the experts are increasingly alarmed.