Low-oxygen areas in Long Island Sound dropped last summer to the smallest footprint recorded in nearly 40 years, according to data from Connecticut’s Department of Energy and Environmental Protection.

A mysterious sound heard booming from deep under the ocean waves has finally been traced to a fascinating source. First recorded in 2014 in the west Pacific, the "biotwang" is actually the call of the ...

Long Island Sound has reached a historic milestone in water quality, with low-oxygen conditions at its lowest levels since 1987. Hypoxia refers to low oxygen levels in waters near the sea floor, ...