Space is not as empty as it looks. Right now, as you read this, NASA scientists are actively watching dozens of objects ...

Add Yahoo as a preferred source to see more of our stories on Google. A wide-field composite image shows a newly discovered cosmic object called ASKAP J1832-0911 in X-ray, radio and infrared light. - ...

Each spring, amateur astronomers attempt the ultimate stargazing challenge—an overnight quest to spot every galaxy, nebula, ...

You know, after decades of pointing optics toward the sky, I consider myself a knowledgeable observer. But while researching the Pleiades a few months back, I was surprised to learn that it wasn’t the ...