How an eel elevator on Maine’s Penobscot River helped restore millions of fish and brought humpback whales back |

Every spring, millions of migratory fish leave the Atlantic Ocean and swim into freshwater rivers to…

Nearly 300 humpback whales gathered off South Africa; decades after hunting reduced their numbers below 10,000, the population has crossed 100,000

The gathering of nearly 300 humpback whales feeding off South Africa’s west coast has offered scientists…