SUNSET: 
ASTRONOMY & OBSERVING NEWS
Lucy's First Asteroid Flyby Sheds Light on a Double-lobed Asteroid
The main-belt asteroid 52246 Donaldjohanson, as captured by NASA’s Lucy spacecraft during a close flyby on April 20, 2025.The spacecraft snapped images every 2 seconds, a total of 37 in this time-lapse animation, until 40 seconds before the spacecraft passed by at a distance of 960 km (600 miles).NASA-Goddard /…
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Where to Look Tonight
This Week's Sky at a Glance, June 19 – 28
This Week's Sky at a Glance, June 19 – 28
The Moon as it will appear in an amateur telescope at 10 p.m. EDT Friday the 19th. This week Venus and Jupiter continue moving apart low in the western twilight. Vega and Arcturus shine equally high after dark. And watch Beta Lyrae self-eclipse.
where to lookJune Podcast: Dance of the Planets
Sky Tour Podcast
This month’s episode highlights the close pairing of Venus and Jupiter under way in the western sky after sunset. You'll also learn why astronomers are fixated on a star in Corona Borealis — and how to find a huge but dim constellation that will likely be new to you. So grab curiosity and come along on this month’s Sky Tour.
Subscribe NowA Globular Season Surprise
A Globular Season Surprise
The true origins of some globular clusters can give you a new perspective when you're viewing them through your telescope.
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Photographer: bellavia
Photographer: bellavia
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Photographer: Raul Cantemir
Photographer: Raul Cantemir
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This Month’s Issue
Sky & Telescope Magazine
Explore the astronomy magazine that’s been out of this world for more than 80 years. This month, join us as we check in on the landers and rovers heading to the Moon!
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Issue Highlights
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Dark Clouds of the Summer Milky Way
Akarsh Simha
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How One Year Changed Space Science in America
Hannah Richter
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Narrowband Imaging with Color Cameras
Ron Brecher
