Projections warn that "much of the open ocean could reach a near-permanent" marine heat wave state by the end of this century.

As the heat wave unfolded, she despaired that a good sleep would be "impossible." Those without verandas or gardens slept in ...

In February 2025, an unrelenting high-pressure system sent temperatures soaring across South America. Rio de Janeiro sizzled under extreme heat, forcing schools to delay opening and residents to seek ...

The study estimates the Chesapeake Bay area could have marine heat wave conditions for about a third of the year by the end of the century. That’s an increase from the 22 days a year the bay now ...

Marine heat waves can create chaos in ocean ecosystems and disrupt coastal economies. In recent years, they've made headlines for driving drastic changes in fish migration and more frequent ...