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This week’s naked-eye object is open cluster M41, which lies in Canis Major the Great Dog. It’s easy to find M41 on any clear winter night. First, find Sirius (Alpha [α] Canis Majoris), the night ...

Many objects in the Milky Way prick the imagination: be it Saturn’s rings, the mystical shapes created from the primordial gas clouds, the strange exoplanets that careen around their stars at hyper ...

New findings from NASA's Hubble Space Telescope have helped astronomers to solve the mystery of why Orion's bright red supergiant Betelgeuse dramatically faded for a period of weeks last year. In ...

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The Milky Way's largest star is slowly dying, and all astronomers can do is watch. Of course, even if we could get to VY Canis Majoris, there isn't much we could do to stop the death of a star. In ...

In the southern hemisphere, in the constellation Canis Major, lies a very young, very massive red hypergiant star called VY Canis Majoris (VY CMa). A pulsating variable, its apparent magnitude (how ...

Using NASA’s Hubble Space Telescope and the W.M. Keck Observatory, Kameula, Hawaii, astronomers have learned that the gaseous outflow from one of the brightest super-sized stars in the sky is more ...

The Sirius star is also called the Dog star. The Dog star is a part of the Canis Majoris, or "Big Dog" constellation. Experts say the best sightings during winter, for those in Northern latitudes. The ...

A giant star in the Canis Majoris constellation isn't acting like itself, and scientists are doing their best to figure out why. Freelancer Michael Franco writes about the serious and silly sides of ...