Wide-ranging research suggests that as temperatures increase, some creatures pick fights while others struggle to learn. The ...

Most people assume a heat wave quiets the natural world. Streets feel emptier, birds disappear from feeders, and parks turn ...

Heat waves are a growing global threat to human health, well-being and livelihoods. Across 12 major European cities during the summer of 2025, a 10-day period of extreme heat led to 2,300 deaths—1,500 ...

A marine heat wave is causing ocean temperatures to rise along the U.S. West Coast. The warmer water is disrupting the food chain, causing seabirds and other wildlife to starve. Scientists warn the ...

An early-season heat wave is expected to build across much of the eastern United States next week, pushing temperatures into the 80s and 90s for millions of people. The National Weather Service ...

As the Philadelphia region faces the first heat wave of the year and temperatures hit as high as above 98 degrees, the highest on record for this time of year, physicians are warning residents to keep ...

AI-generated summary reviewed by our newsroom. Read our AI Policy. Temperatures will reach the low 90s Sunday, May 17 through Wednesday, May 20. Temperatures are forecasted to stay at or above the 80s ...

Under the lead of the Leibniz Institute for Baltic Sea Research Warnemünde (IOW), climate simulations were used to investigate how 19 inland seas, including the Baltic Sea, are responding to climate ...

Heat waves do more than just generate high temperatures and cause excessive sweat. Research shows that heat affects animal ...

An early-season heat wave is expected to bring summer-like weather to New York next week. Temperatures are forecast to climb into the 80s and possibly the low 90s in some areas. The heat is caused by ...

PHILADELPHIA (WPVI) -- Get ready for another day of record heat as temperatures once again soar into the 90s. The stretch of high temperatures marks the first heat wave of the season and the earliest ...