Summer has arrived in the Northern Hemisphere -- solar summer, that is. There are many ways to quantify the season. Memorial Day weekend signals the start of summer for beachgoers and vacationers ...

It’s the beginning of May—and the beginning of solar summer. We’re quickly climbing into the three-month stretch of the year with the brightest and most intense solar radiation beating down on Earth’s ...

July is the perfect summer month. As a kid it was a month with no schoolwork, my favorite summer camp, and many days spent outside in the sun. From playing in the backyard and visiting parks with ...