Binary star system finally discovered near Milky Way center

This image gazes toward the heart of the Milky Way, in the direction of its core. Credit: ESO/S. Guisard (www.eso.org/~sguisard) Veiled in gas and clouds, the Milky Way’s center does not easily give up secrets. The initial detection of its supermassive black hole (SMBH) decades ago posed as many riddles as it solved, including the … Read more

We Might Finally Know How Galaxies Grow So Large

Astronomers have spent decades trying to understand how galaxies grow so large. One piece of the puzzle is spheroids, also known as galactic bulges. Spiral galaxies and elliptical galaxies have different morphologies, but they both have spheroids. This is where most of their stars are and, in fact, where most stars in the Universe reside. … Read more