A marine heat wave in the Pacific Ocean killed some 4 million common murres in Alaska, researchers say — the largest die-off of any bird species ever recorded in the modern era.
The existence of another watery world in the outer solar system may offer clues to how such seas form — and hope for another spot to search for life ...
Figure from Global Ocean Oxygen Network, Breitburg, D., M. Gregoire, K. Isensee (eds.) 2018. The ocean is losing its breath: Declining oxygen in the world’s ocean and coastal waters. IOC-UNESCO, IOC ...