It might feel unseasonably hot where you are right now. That's thanks in part to a heat wave in the Pacific Ocean.

A record 2023 heat wave all but eradicated two species of coral that historically served as the backbone of Florida's reefs, ...

Water temperatures several degrees above normal span thousands of miles, though they have mostly stopped short of the Pacific Northwest coast. Cool water welling up from the depths is thought to be ...

We may not notice it, but marine creatures off the Bay Area coast are already feeling the heat. Ocean temperatures in the ...

Researchers at Iowa State University are testing a new mobile app that alerts residents when their homes begin to overheat — a tool designed to help prevent heat-related illnesses in vulnerable ...

Thirty-four people died from heat-related causes in Maryland during the late April to early October "heat season" this year, ...

The marine heat wave that gripped Florida in 2023 was hotter than anything the state has seen in 150 years, and claimed at ...

October heat wave hits Los Angeles with temps near 90°F and rising fire danger from returning Santa Ana winds.

The last week of October is bringing the heat as offshore winds and high pressure combine to push the mercury upward through midweek.

NWS San Diego predicts above-normal temperatures and warns of low humidity and fire risks due to Santa Ana winds.