Ancient oxygen-making microbes may have oxygenated large swaths of Earth’s seafloor hundreds of millions of years before the element filled the atmosphere. Geochemical analysis of sediments deposited roughly 2.6 billion …
A mysterious disease that has plagued sea stars for more than a decade may have met its match in the fjords of British Columbia. Sunflower sea stars discovered thriving in …
Beneath the great, white expanse of the Antarctic Ice Sheet, a mysterious realm of streams and lakes lies out of sight. Much about this hidden water world remains poorly understood. …
Soot from forest fires in the Amazon might play a role in the melting of faraway ice in Antarctica. For decades, scientists have known that black carbon from burning fossil …