"axial tilt"

Sunday, June 21, 2026, will mark the longest day of the year in the Northern Hemisphere. Here’s what will happen in North America, from extr...

Over 20,000 people gathered at Stonehenge in the U.K. on June 21 to witness the summer solstice sunrise, marking the Northern Hemisphere's l...

The June solstice will occur on Sunday, June 21, 2026, marking the longest day of the year in the Northern Hemisphere and the shortest in th...

New Yorkers gathered to see the "Manhattanhenge" solar spectacle on May 28, 2026, but the "Manhattanhenge Effect" actually continues for 44...

Get ready to revel in the day that offers the most daylight of the entire year.

Earth’s aphelion on July 6 puts it farthest from the sun in 2026, but summer heat comes from Earth’s tilt, long days and direct sunlight in...

Around June 21’s solstice, regions north of the Arctic Circle experience the midnight sun: 24 hours of daylight, when the sun never sets and...