Learn the basics of the celestial coordinate system, like right ascension and declination, for accurate stargazing.

Climate models robustly project enhanced warming in the eastern equatorial Pacific (EEP) by the late 21st century, producing a mean El Niño–like pattern that strongly influences atmospheric ...

Fall officially begins tonight with the September equinox. Here’s the exact time it happens across every U.S. time zone — and what it means.

The autumnal equinox occurs at 8:05 P.M. EDT. This moment marks the changing of the astronomical seasons; for those in the Northern Hemisphere, this is when summer ends and autumn begins. However, ...

Leaves are changing colors, children are back in school and the ever popular pumpkin spice lattes are back at Starbucks coffee shop s. It’s the start of a new season in Idaho. Exactly when fall begins ...

(Astronomical) fall officially arrives at 8:05 p.m. Tuesday with the September equinox will occur as the Sun is directly over the equator. Nearly an hour after sunset here, that sub-solar point along ...

Precise moment of equinox in UK is 1.05am on Wednesday – but day and night will not be equal until Friday The September or autumnal equinox takes place this week. It marks the astronomical beginning ...

The long, hot days of summer are slowly beginning to fade to sweater weather, cooler temperatures and all things pumpkin spice. The official start of fall is marked by the autumnal equinox. The word ...

It’s time to bid the past few months of summertime magic adieu, as the autumn equinox is coming up on Sept. 22 in the Northern hemisphere, bringing the first official day of fall. ‘Tis the season of ...

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In a galaxy far, far away, strange objects beam radiation out into space. For years, these weird bodies have been hiding in plain sight—but now new observations reveal they may be key to understanding ...

The Triad skies will showcase a rare celestial event on August 12, featuring a parade of planets, the Perseid meteor shower, and a partial solar eclipse. For optimal viewing, experts suggest heading ...