When “polar vortex” appears in the news, it can refer to one of two different, but related, weather patterns.

Extreme heat warnings stretched from Windsor to Timmins; humidex values climbed to the mid-40s. In Toronto, panic over ...

Charlottesville and much of central Virginia were under an extreme heat warning Tuesday, with temperatures predicted to stay ...

A new study challenges the idea that climate change is behind the erratic wintertime behavior of the polar jet stream, the ...

As we sweat away the summer, imagine walking out of 98-degree heat and into a 72-degree, climate-controlled ballpark to watch ...

From last winter’s polar vortex to this week’s heat wave, Chicagoans have experienced several degrees of uncomfortableness in a few short months. We weather the extreme weather well enough, thanks to ...

What do the clouds on Jupiter, dust storms on Mars and rainstorms on Titan all have in common? They look like they belong on ...

Saturn’s moon Titan has always stood out among the celestial bodies in our solar system. It is the only moon with a thick, ...

The first heat wave of Summer 2025 is about to hit Eastern Canada, with temperatures climbing to the mid-30s early next week. Add the humidity from a wet spring and it will feel even hotter. We’d ...

The first heat wave of Summer 2025 is about to hit Eastern Canada, with temperatures climbing to the mid-30s early next week.

Climate change is a huge crisis, and we need to explore every alternative we can to mitigate it. This includes nuclear power for reliable energy and the mining of lithium needed to make ...

Unless society stops pumping more greenhouse gases in the air, “we can expect multiple factors to worsen summer extremes,” a ...