Heat waves are primarily caused by high-pressure systems that push warm air down onto an area and hold it there. During heat ...

If you've ever had the experience of getting off of a long-haul flight and just feeling gross, here are some simple ways to ...

Those triple-digit air temperatures — with the feels-like index even worse because of humidity — are possible in places where ...

Our climate seems to be more sensitive to greenhouse gas emissions than some researchers had hoped, meaning the world will ...

Extreme heat is making air pollution worse, scientists say. And President Trump’s regulatory rollbacks could drive air ...

The National Transportation Safety Board on Tuesday will be focused on preventing another terrifying event like the one ...

Scientists have measured big increases in the amount of methane, the powerful global warming gas, entering the atmosphere over the last decade. Cows or wetlands have been fingered as possible ...

More than 160 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

As temperatures rise across the U.S., here’s what you need to know about high humidity and how it can affect you.