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The brightest star of the zodiacal constellation Scorpius. It is a binary system, consisting of an orange supergiant star that is many times more massive than the Sun, and a smaller companion that is hidden in the primary star’s glare. It is about 550 light-years away.

Radio Programs

Moon and Antares One of the biggest of the big April 21, 2019

Moon and Antares Peeling the layers of a star February 25, 2019

Moon and Antares Impressive groups of stars September 15, 2018

Moon and Antares Juicing up the heart of the scorpion August 18, 2018

Moon and Antares A “heart murmur” for the scorpion June 25, 2018

Moon and Antares A stellar weight-loss plan May 29, 2018

Red Rivalry Colorful rivals in the dawn sky February 8, 2018

Moon and Companions Cranking up a giant star September 25, 2017

Moon and Antares Changing the view of the scorpion June 6, 2017

Moon, Antares, Saturn Subtle color for a giant planet January 22, 2017

Mars and Antares Rivals line up in the evening sky August 23, 2016

Scorpius The scorpion skitters by July 21, 2016

Moon, Saturn, and Antares A stellar weight-loss plan August 21, 2015

Moon, Saturn, Antares A star of the first magnitude July 25, 2015

Two Ways to Die Two ways to make a supernova June 14, 2015

Moon and Companions A giant star hides in plain sight May 4, 2015

Moon, Saturn, and Antares Gazing at a star among stars April 7, 2015

Featured Images

artist's concept of antares

Splotchy Giant June 25, 2018

A view of the busy Milky Way

Busy Galaxy July 24, 2014

Antares, brightest star of Scorpius, shines through the rings of Saturn

Peeking Giant January 28, 2011