There's no scientific definition for a wave of disease – and no evidence that the original onslaught of coronavirus in the US has receded much at all.

Ccoronavirus has put emergency responders and resources under extreme pressure all over the world just as the hurricane season approaches.

Ccoronavirus has put emergency responders and resources under extreme pressure all over the world just as the hurricane season approaches.

Ccoronavirus has put emergency responders and resources under extreme pressure all over the world just as the hurricane season approaches.

Winter is flu season – could it be coronavirus season as well? The research is mixed, but other factors besides temperature and humidity have more to do with the spread of SARS-CoV-2.

Trees in cities turn green earlier in the year due to the "heat island" effect. That matters for climate change, say researchers, as well as allergies.

Do you feel down during the winter? Dieticians have pointers for how the right kind of nutrients in food can boost your mood.

"January is probably the hardest month of the year to change behaviors." Here's the case for swapping New Year's resolutions for "spring renewal."

A snake expert answers questions about rattlesnakes in the winter, including why they hibernate and where they do it.