Hazy skies from fires are reminiscent of 2023 when Chicago was the second-most-polluted major city in the country.

Households in England and across the UK are being urged to close their windows, as well as curtains and blinds, from next ...

Yes, it's meteorological summer, which starts every year on June 1 and ends Sept. 1. However, calendar (or astronomical) summer doesn't start until June 20 this year. So, what's the difference? It ...