Crank the A/C and pour another glass of lemonade, it's going to be a red hot summer across the United States.

Spring Equinox is rapidly approaching. When is the first day of spring? What we know about when spring starts, winter ends, ...

According to the National Phenology Network in an update released this week, "spring leaf-out continues to spread north across the country. In the eastern half of the country, spring is coming in fits ...

Earth's northern hemisphere warms up literally for the astronomical start to spring. Here's what to know about the season.