Hurricane Polo has grown into a Category 4 storm in the Pacific and was forecast to bring heavy rain to southwestern Mexico but remain offshore.

San Francisco, Oakland and San Jose could see their hottest temperatures so far this year, and exceptionally warm nights will make the heat wave more extreme.

Kauai is forecast to see the highest risk of wind and storm surge, but an elevated risk of flooding exists for all islands, including Oahu, Maui and the Big Island.

Curbing the outbreak in the Democratic Republic of the Congo will require stepping up testing.

A reminder of the neighboring 2016 Kumamoto M7.0 earthquake

Influenza did not magically disappear. This is a common retort by those who don’t understand how influenza moves around the world, how mitigation measures work, or immunology. It’s incredibly…

At least 100 fires were burning across Washington and Oregon following an unusually strong burst of lightning.

In response to the wildfire smoke, free masks will be available at the listed locations.

Are there more earthquake than usual? Nope!

A patient in France has tested positive for Ebola after returning from a humanitarian mission in an area where the virus is circulating in the Democratic Republic of the Congo (DRC), the French Health...