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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 The Moon hides the heart of the scorpion August 24, 2023

Moon and Antares A repeat encounter for the Moon and a bright star June 30, 2023

Moon and Antares Rolling through some stellar bowling pins May 6, 2023

Moon and Antares Lighting up a stellar nursery April 9, 2023

Moon and Antares A supergiant among giants March 12, 2023

Moon and the Scorpion Doomed stars in the scorpion September 30, 2022

Sigma Scorpii Impressive stars near the scorpion’s heart August 27, 2022

Moon and Antares Heating up a massive star August 6, 2022

Moon and Antares Feeling the heat of the stars July 10, 2022

Moon and Antares Looking upon the face of a giant May 16, 2022

Moon and Antares A brilliant demise for a bright star February 23, 2022

Moon and Antares Shifting stars across the night sky September 12, 2021

Moon and Antares An upcoming change in the night sky June 22, 2021

Moon and Antares Inflating a supergiant star April 28, 2021

Population II Stars Stars young and old in the Milky Way August 11, 2020

The Arteries The strong arteries of the scorpion August 6, 2020

Moon and Antares A funny thing about stars July 29, 2020

Moon and Antares The scorpion’s giant heart July 2, 2020

Moon and Antares Subtle changes in a bright star June 4, 2020

Moon and Antares The amazing fate of a supergiant May 8, 2020

Mars and Antares Colorful rivals in the dawn sky January 9, 2020

Moon and Companions A star that might not be there October 2, 2019

Moon and Companions A star’s unseeable brightness July 12, 2019

Moon and Antares An unsteady stellar giant June 15, 2019

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

Featured Images

direct view of antares, in scorpius

Rare View May 16, 2022

artist's concept of antares

Splotchy Giant June 25, 2018