SUNSET: 
ASTRONOMY & OBSERVING NEWS
Evidence Grows for Super-Salty Underground Lakes on Mars
New analysis of data from the European Space Agency's Mars Express orbiter strengthens the case for salty lakes underneath Mars's south polar cap.
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observing guides
Where to Look Tonight
This Week's Sky at a Glance, September 25 – October 3
This Week's Sky at a Glance, September 25 – October 3
The Moon waxes through first quarter to gibbous this week, passing Jupiter and Saturn along the way. And by the end of twilight, Jupiter-bright Mars glares low in the east. It's big, bold, and almost at opposition!
where to lookSeptember 2020: Four Planets & More!
Sky Tour Podcast
Take advantage of September's beautiful evenings to gaze upward as you listen to our guided tour of the star-filled sky.
Subscribe NowOur 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: lubated
Photographer: Pepe Chambó
Comet NEOWISE over New York city
Photographer: worldtimezone
Comet NEOWISE viewed through noctilucent clouds
Photographer: David Harris
Comet C/2019 U6 Lemmon (2020,Jun.17)
Photographer: Pepe Chambó
Lunar Occultation from Boston on June 19th, 2020
Photographer: Nando
Photographer: Ghouchkanlu
Photographer: Michele-Brusa
Venus and the Pleiades at Twilight
Photographer: Frankie
Crecent moon over Myrtle Beach, SC
Photographer: Tim-Tooley
Photographer: araujo
Photographer: Wim Maats
Photographer: FERNANDO MENEZES
Comet C/2017 T2 PANSTARRS (Jan.23,2020)
Photographer: Pepe Chambó
Photographer: Orestis Pavlou
Photographer: parimaldave@gmail.com
Waxing Crescent Moon and Jupiter
Photographer: dr. ski
Photographer: MOREL-Philippe
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Issue Highlights
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NEOWISE Performs!
Sean Walker
-
The Strange Case of Comet Biela
David Nakamoto
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The Lost Discoveries of E. E. Barnard
Steve Gottlieb
