Evidence builds for Ceres’ watery underground, a Milky Way-like galaxy is found in the young universe, and Mars might be a colder planet than imagined in its early history.
Aug 12, 2020
Want to put your image editing skills to the test? Now you can, with the RASC Robotic Telescope image editing contest.
Aug 10, 2020
With a detailed capture of NEOWISE’s dust and ion tails against the starry background, Jeff Beairsto is the winner of the week.
Jul 30, 2020
Features
This Week’s Sky: August 10 to 16, 2020
After the Perseids peak August 11-12, a double shadow transit on Jupiter and the crescent Moon passing close to Venus bring excitement to the weekend.
Aug 10, 2020
Fraught frontier
Satellite constellations are crowding the skies, causing conflict between astronomers, governments and businesses.
Jul 08, 2020
Limits of the sky
Managing editor Allendria Brunjes talks about limits — limits in the sky, in space, of our machines and bodies.
Jul 03, 2020
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The Latest
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
This Week’s Sky: August 3 to 9, 2020
In this week’s sky, a Full Moon that wanes and meets Mars, and Comet NEOWISE passes close to Messier 53.
Aug 03, 2020
Sky News This Week: July 29, 2020
In the news recently: a telescope images multiple planets around a Sun-like star, volcanoes on Venus appear to be active and Hubble spots changes in haze on Saturn.
Jul 29, 2020
Speaker Series: The Canadian comet sleuth
Join Canadian comet discoverer David Levy as he speaks about major events of his life — like finding one of the most popular comets in our lifetimes.
Jul 29, 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
This Week’s Sky: July 27 to August 2, 2020
As the Southern Delta Aquariids peak, Venus passes CE Tauri and the Moon passes Jupiter and Saturn.
Jul 28, 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
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
How to find satellites
Sometimes, it’s quite alright to get a nice satellite in your shot. Here are some tips on how to find the human-made orbital objects.
Jul 09, 2020
How to avoid satellites
Ever accidentally caught satellites in your astrophoto? Space journalist Elizabeth Howell has some tips on how to avoid them.
Jul 09, 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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