Big temperature swings are expected into the first week of March in southern Ontario. Most of the last week of February has ...

If you've ever wondered why the same temperature in Philadelphia may feel different than in Florida or elsewhere, here's why.

It was significantly warmer today than it was yesterday. From Wednesday morning to Thursday afternoon, some locations warmed ...

After shivering through below-average temperatures this week, nearly 75% of all Americans will soon have a chance to warm up ...

Both viral and bacterial infections can result in fever, but the onset, severity, signs, and management are different.

Astronomical seasons are based on the Earth's position around the sun. Spring begins at the Vernal Equinox, which occurs at 2:01 a.m. PDT on March 20 this year. The Equinox marks the point in the ...