The newly discovered binary was found in a dense cluster of stars and other objects orbiting Sagittarius A*, called the S cluster. Most enigmatic in this cluster are the G objects, which behave ...

The newly discovered binary star was found within the dense cluster of stars and other objects orbiting Sagittarius A*, known as the S cluster. One of the most intriguing features of this cluster ...

A Triple Star System Yields an Unusual Surviving Star Unlike our Sun, which exists alone, at least half of the stars in our ...

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass ...

Our sun is a lonely star. At least half the stars in our galaxy have binary companions. This was nicely illustrated in the ...

The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus. This image is captured by Hubble Space Telescope. V838 Monocerotis is a cataclysmic binary star in the ...

A binary star system just under 20,000 light-years ... Terzan 5 CX1 was giving off brighter X-ray than any of the other stars in the cluster around it. However, new data from 2009 to 2014 showed ...