gold. And this composition of elements can be specific to a certain star cluster. Here's Price-Jones again. PRICE-JONES: The gas that stars are made of can be polluted by other stars exploding.

"Clusters rich in red supergiants are very rare and tend to be very far away, but they play a crucial role in understanding key aspects in the evolution of massive stars." In the past, map makers ...

The object in question is named NGC 2264, otherwise known as the "Christmas Tree Cluster," and is a formation of young stars – some of which are larger than the sun – between the ages of 1 and ...

Harvard astronomers have discovered a gigantic cluster of stars in the southern sky, which apparently belongs to no known class of cosmic systems, and which may thus reveal the existence of an ...