Barred Spiral Aurora by Chris Kelly
Aurora Watch: See the northern lights in Canada

Will you see the northern lights tonight? Find out using these tips and tools.

‘Running’ the Messier marathon

It’s one all-nighter, 110 objects, and a pretty awesome feather for any visual astronomer’s cap. Here are some tips on running the Messier marathon.

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Planets at a glance: February 2021

While some planets spend time basking in sunlight, look for Mars’ visit with the Moon February 18.

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Planets at a glance: January 2021

This month, Uranus completes its retrograde loop and resumes its eastward motion in the skies, and Mercury returns to view. Here’s more on the planetary events this month.

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Seeing tonight’s Jupiter-Saturn conjunction

Weather report for December 21 got you down? See through the clouds — or at least commiserate — with RASC and Explore Scientific!

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A southern solar eclipse

A total solar eclipse will be passing over parts of South America on December 14.

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New Moon allows Geminids to shine

The Geminids promise to give a great show this year as the prolific meteor shower peaks during a new Moon.

December 2020: Planets at a glance

December’s best show comes from Saturn and Jupiter, who spend more than two weeks less than a degree apart and meet December 21 in a “Great Conjunction.”

November 2020: Planets at a glance

November offers excellent opportunities to view Moon-planet pairings, as well as Mercury in the eastern pre-dawn sky.