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Posts by
Editors of EarthSky
See Orion’s Belt as a celestial bridge between hemispheres
Many know Orion's Belt, a short, straight row of 3 stars. Orion's Belt is considered a celestial bridge between the sky's Northern and Southern Hemispheres.
November 13, 2024
Annular solar eclipse today! See a ring of fire
Today, an annular solar eclipse will cross over parts of South America, the Pacific Ocean, the Atlantic Ocean, and Antarctica. Watch a livestream here.
October 2, 2024
LIVE MONDAY: SpaceX and Space Race 2.0 with Eric Berger
Join EarthSky's Dave Adalian LIVE at 12:15 p.m. central (17:15 UTC) on September 30. He'll be chatting with Eric Berger, senior space editor at Ars Technica.
September 30, 2024
Pioneer 11 swept past Saturn 45 years ago today
Pioneer 11 was the 1st spacecraft to encounter Saturn. A true pioneer, it paved the way for the 2 Voyagers in 1980 and 1981 plus Cassini from 2004 to 2017.
September 1, 2024
Asaph Hall finds Mars moon Phobos 147 years ago today
On this date in 1877, American astronomer Asaph Hall discovered Phobos, the larger of Mars' 2 moons. He discovered the other moon, Deimos, later that year.
August 17, 2024
See it! This week’s auroras and Perseids!
The beloved Perseid meteor shower peaked just as auroras were gracing our skies. Wow! See images from the EarthSky community here.
August 13, 2024
Airplane glory: What is it and how to spot one?
An airplane glory is easy to see, if you watch for it. It's the plane's shadow cast on a cloud, or the ground, surrounded by a halo of light.
July 30, 2024
Earth
Noctilucent clouds: Best season in years, happening now!
It may be the best noctilucent cloud season in years! Europe has had stunning displays of these night-shining clouds. See a gallery of noctilucent clouds.
June 30, 2024
Crepuscular rays are sunrays in twilight skies
Crepuscular rays form around twilight when particles in the atmosphere reflect the sun's light beams toward our eyes. See photos of the phenomenon here.
May 18, 2024
Auroras on May 10-11 wowed millions! Pics here
Auroras last night from "extreme" geomagnetic storming - which came after a week of very high activity on the sun - wowed millions around the globe.
May 16, 2024
