Astronomers have found evidence of phosphine gas in the cloud decks of Venus, which may be associated with the presence of life.
Sep 17, 2020
In the news recently, the Canadian Space Agency named a new president, three stars mess up a planetary disc, and a new search for E.T. finds nothing so far.
Sep 16, 2020
Want to put your image editing skills to the test? Do so this September in the RASC Robotic Telescope image editing contest.
Sep 14, 2020
Features
This Week’s Sky: September 21 to 27, 2020
As the autumnal equinox is marked in the Northern Hemisphere, the Moon passes near Saturn and Jupiter.
Sep 21, 2020
Fraught frontier
Satellite constellations are crowding the skies, causing conflict between astronomers, governments and businesses.
Jul 08, 2020
Education and evolution
Managing editor Allendria Brunjes talks about the changing world, and how the astronomy community can learn to adapt.
Sep 10, 2020
Sponsored Content
We Want Your Astrophotos
If you’ve captured an award-worthy astrophoto, submit it today to our Photo of the Week Contest! Get the details.
The Latest
This Week’s Sky: September 14 to 20, 2020
See zodiacal light this week, visible in the dark new Moon sky. Later this week, look for Mercury near the crescent Moon.
Sep 14, 2020
How do I see the zodiacal light?
How to see the zodiacal light, the leftovers of our cosmic neighbourhood’s formation some 4.5 billion years ago.
Sep 14, 2020
The best of Messier 82
The winner of the August 2020 RASC Robotic Telescope image editing contest is Ian Barredo, producing a clear and beautifully coloured composition of Messier 82.
Sep 08, 2020
This Week’s Sky: September 7 to 13, 2020
In This Week’s Sky, Mars starts a retrograde loop while Jupiter completes one. Neptune reaches opposition near Phi Aquarii, and a waning crescent Moon meets Venus.
Sep 07, 2020
September 2020: Planets at a glance
Get ready for September’s night sky with this guide to the planets in our Solar System.
Sep 01, 2020
This Week’s Sky: August 31 to September 6, 2020
This week, the Moon meets with Mars. The Red Planet will also experience a solstice and the start of its northern winter.
Aug 31, 2020
Explore the current issue
- 01. Fraught frontier
- 02. The loneliest scientists
- 03. Beginner binoculars
- 04. Rendezvous with Bennu
- 05. Tech tuned to the cosmos
Observing
Getting ready for the Perseid Meteor Shower
Here are some observation and photographing tips for the Perseids, which peak August 12-13, 2020.
Aug 04, 2020
Comet NEOWISE dims to binocular object
Comet NEOWISE is headed on its way out of our Solar System, fading from our skies.
Jul 28, 2020
Comet NEOWISE climbs higher in evening sky
Comet NEOWISE’s trajectory will bring it closest to the Earth July 22.
Jul 20, 2020
Comet NEOWISE takes evening shift
The long-awaited bright comet C/2020 F3 NEOWISE will become visible after sunset this week, adding to its breathtaking morning shows.
Jul 12, 2020
About the Royal Astronomical Society of Canada
The Royal Astronomical Society of Canada (RASC) began as the Toronto Astronomical Club on December 1, 1868. The eight men who gathered to share their interests were not professional astronomers, just working-class citizens with a passion for astronomy.
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