A gorgeous nebula turns out to hold a surprise at its center: a pair of stars that don’t match as they should. Researchers looking at the beautiful NGC 6164/6165 nebula were surprised to learn ...

ESA/Hubble & NASA, K. Noll “The heart of the nebula, which is located beyond the edge of this image, is home to a cluster of young stars,” Hubble scientists explain. “These stars have ...