Unprecedented March heatwave shatters records across US this week - Scientists said this record-shattering heat would be ...

An unprecedented heat wave for the month of March is continuing to hold strong across the southwestern and western United ...

Meteorologists are reaching for superlatives to describe an oncoming heat wave so intense and rare for this time of year that it could leave some locations shattering their all-time temperature ...

Mussels baked by the billions. Insect larvae cooked inside scorched cherries. Baby birds plummeted to their deaths from their overheating nests. But some species did just fine during the 2021 North ...

Located in the south Pacific, Hawai'i feels like a world apart from the mainland United States, with its distinct cultural ...

In a large area with hard-scaping like downtown, temperatures can run 20 to 30 degrees higher during the day than a rural ...

A sweeping new study of the 2021 heat wave reveals major ecological losses—but also surprising species that thrived, offering crucial insight into how climate extremes reshape ecosystems.

In an unprecedented heat wave, we check in on the newts, the bears, the mussels, and all those flowers that just woke up for spring.

Phoenix experienced its earliest 100-degree day on record, with triple-digit temperatures arriving in March. The early heat wave has left vulnerable populations, especially those experiencing ...

First responders in San Diego County have been on high alert due to the unseasonable heat wave, resulting in three separate ...

Temperatures in Phoenix soared to 105 degrees on March 19, breaking the record of 97 for this date in 2017, according to the ...