Shifts in the Gulf Stream could help researchers predict the human-driven failure of a huge system of ocean currents known as the Atlantic Meridional Overturning Circulation.

Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, inexperienced target guarded by a single adult. However, orcas cannot reach ...

The documentary A Life Illuminated will make its Washington, D.C., premiere on March 19, the first night of the D.C. Environmental Film Festival, where Mongabay is a media partner. The film traces the ...