The moon will slide in front of the red supergiant star Antares on May 13, briefly blocking its light just a day after ...

Two days later, the just-past-full moon will occult the star Antares. Moons are full when they are on the opposite side of Earth from the sun, and fully illuminated (from the point of view of Earth).

The still nearly Full Moon passes close to the heart of the Scorpion, Antares, visible in the southern sky early this morning.

The waning gibbous moon will rise close to Antares ... our sun, yet only nine times as massive, according to the European Southern Observatory, giving it a remarkably low density. The star is ...