Peak sunshine has arrived in the Northern Hemisphere—the summer solstice. Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer. It's ...

Sunday, June 21, marks the summer solstice for 2026 in the Northern Hemisphere. The summer solstice marks the beginning of astronomical summer. It is most commonly thought of as the official beginning ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. North America is about to experience its longest day of 2026 ...