SUNSET: 
ASTRONOMY & OBSERVING NEWS
Exoplanet TRAPPIST-1b Has No Atmosphere
The TRAPPIST exoplanets offer the James Webb Space Telescope some of the best opportunities to observe rocky worlds. But Webb images show the innermost planet b has no atmosphere.
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observing guides
Where to Look Tonight
This Week's Sky at a Glance, March 24 – April 2
This Week's Sky at a Glance, March 24 – April 2
The Winter Hexagon fills the west after dark. The waxing Moon steps east across the evening sky from Venus past the Pleiades, then past Mars.
where to lookMarch: The Winter Hexagon
Sky Tour Podcast
As the Northern Hemisphere edges toward the March equinox and beyond, stargazers have an abundance of brilliant stars overhead as darkness falls. Anchoring the celestial parade is Orion, the Hunter. Download or listen to this month’s Sky Tour to learn about — and how to spot — the Winter Hexagon of big, beautiful winter stars.
Subscribe NowSucker Holes
Sucker Holes
When skies are cloudy, sucker holes may offer us a view — albeit often only a brief one — of the universe overhead.
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Stargazing in Northumberland at Stonehaugh Observatory
Hexham NE48 3DZ, United Kingdom
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Stargazing in Northumberland at Stonehaugh Observatory
Hexham NE48 3DZ, United Kingdom
Our Community
Astronomers often spend their time lost among the stars, but the science of astronomy and the hobby of stargazing are also communal affairs. So, don’t be a stranger—find a group to get involved with today!
Editor's PICKS
Photographer: Alessandro Ravagnin
Two photos, two moments, the same place!
Photographer: Avani Soares
Photographer: Steven Miller
Massive Prominence, Small Sunspot
Photographer: Jim Militello
vdB 141 - The Ghosts of Cepheus
Photographer: Hal Heaton
M109 A Barred Spiral Galaxy in Ursa Major
Photographer: vjagannathan
Photographer: Bill Reyna
Photographer: Avani Soares
NGC 2634: The Calm before the Storm
Photographer: KuriousGeorge
Photographer: sydney
C/2022 E3 (ZTF) 12:26 UT Feb 16, 2023
Photographer: sydney
Photographer: Avani Soares
Photographer: Jim Militello
Comet C/2022 E3 (ZTF) 2023,Jan.23
Photographer: Pepe Chambó
comet C/2022 E3 (ZTF) in closest approach
Photographer: Alireza Vafa
Photographer: Alireza Vafa
The Trailing Comet C/2022E3 (ZTF)
Photographer: MSagermann
Photographer: parisabajelan
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Issue Highlights
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Catching Cosmic Neutrinos
Govert Schilling
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The Great Edge-On Galaxy of Spring
Howard Banich
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The Past and Future of Star Names
Tony Flanders