On the Cover: Hubble's 30-Year Transformation
From its flawed launch to its capture of iconic images, the famous space telescope has transformed how we view the universe.
Looking Up Down Under
A Canadian astrophotographer travels to Australia to capture the Milky Way.
Venus at Its Best
Venus rises to its highest altitude in eight years, while a trio of planets gathers at dawn.
The Joy of Clusters
How to see globs, open clusters and other treasures of the early spring sky.
Lucky 13, 50 Years Later
A look at the Apollo 13 mission, and how a quick call to a Canadian helped bring the crew home after a space explosion.
As Messier Marathon season arrives, readers share their images of astronomical objects and explain how they captured them.