A geomagnetic storm made the aurora borealis visible across a swath of the United States again on Wednesday, illuminating the ...

Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the Northern Hemisphere). Check my main feed for more in-depth articles ...

The winter solstice is Saturday, bringing the shortest day and longest night of the year to the Northern Hemisphere — ideal conditions for holiday lights and warm blankets. For those who would rather ...

Fireworks may not be the only thing lighting up the skies as the clock strikes midnight ringing in the new year. The northern lights, also known as aurora borealis, are forecast to be visible across ...

Sunlovers rejoice, for the summer solstice is upon us, bringing the longest day of 2025 while heralding the beginning of astronomical summer in the northern hemisphere. Thanks to this tilt, we ...

The winter solstice is today, bringing the shortest day and longest night of the year to the Northern Hemisphere. As the official start of the astronomical winter, the sun reaches its most southerly ...

ALBANY — A large-scale geomagnetic storm was predicted to sweep across the Northern Hemisphere Monday night, but most New Yorkers had little hope of spotting the colorful waves of light known as ...

Spring officially begins today (March 20) with the vernal equinox, bringing longer days and warmer temperatures to the Northern Hemisphere. The vernal equinox signals the astronomical start of spring ...

No Northern Hemisphere tropical cyclones have formed in 2025 as of May 16, a phenomenon only seen five other times since 1950. Unusual wind patterns near the Philippines are suppressing storm ...

New research reveals that Earth's Northern Hemisphere is growing darker faster than the Southern Hemisphere is. Bill Anders, Public domain, via Wikimedia Commons Earth has been dimming for decades, ...