SUNSET: 
Glenn Schneider, 1955–2025
Astronomy has lost one of its most passionate chasers of total solar eclipses with the passing of astronomer Glenn Schneider.
More Unusual Jovian Satellite Lineups
In the coming weeks, Jupiter’s four Galilean satellites will arrange themselves in some unusual geometric patterns that will be fascinating to observe.
Watch Jupiter's Moons in Unusual Lineups
You'll have five opportunities in the coming months to see Jupiter's moons in interesting alignments.
Remembering Donald Machholz, 1952–2022
Sky & Telescope honors the life of Donald Machholz, one of the premier comet-hunters of his time.
Update on a Possible Outburst of Meteors
Will there be a new meteor shower on the night of May 30–31? There's only one way to find out.
Watch the Moon Pair Up with Venus on June 19th
Two crescents — the Moon and Venus — meet in the sky in the wee hours of June 19th.
Comet 46P/Wirtanen Approaches Earth
On December 16th, the comet will pass within 12 million kilometers of Earth and should brighten to about 3rd magnitude, though the diffuse coma and a nearly full Moon will make observations difficult.
Solar Eclipse Made Bow Waves in Earth's Atmosphere
New research shows that the supersonic motion of the Moon's shadow across the continental U.S. in August 2017 created bow waves in Earth's atmosphere.
“Observe” August's Eclipse with Your AM Radio
When the Moon's shadow glides across the U.S. on August 21st, you'll have have a chance to hear the eclipse as it happens.
