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 ...

The spring equinox takes place toward the end of March every year. The Earth’s axis tilts neither toward nor away from the sun, and day and night are almost equal in length. It marks the beginning of ...

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 ...