Sea star wasting disease has devastated marine ecosystems for over a decade. Now scientists have named the cause.

Drought conditions have turned Miner's Marsh — normally a large, lush wetland in Kentville, N.S. — into dry, cracked earth.

A team led by researchers in British Columbia has solved the mystery of a gruesome disease that has killed billions of sea stars along the Pacific coast of North America, more than a decade after the ...