Spring has officially sprung in North America, bringing with it the promise of warmer days. At precisely 5:01 a.m. ET on Thursday, March 20, the sun's rays fell directly on the equator, marking the ...

Northern lights or aurora borealis illuminate the night sky over Vienna during a geomagnetic storm on May 11, 2024. The planet is experiencing its first "extreme" geomagnetic storm since 2003, a US ...

Is it the first day of spring? For everyone over winter and ready for a, hopefully, warmer season ahead, you're in luck. Today marks the first day of spring 2025. The vernal equinox marks the start of ...

The autumn equinox marks the end of summer and the beginning of fall in the Northern Hemisphere. In 2025, the first day of fall will be Monday, Sept. 22. During the equinox, the sun crosses directly ...

Fall is here, at least on the calendar, even though the weather still feels like summer in a lot of places. The autumn equinox is what scientists point to as the true start of the fall season. This ...