This X-ray binary system is like a scale model of some of the most luminous quasars in the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The mysterious interstellar object hurtling through our solar system has just given scientists more evidence that it may be a craft from another part of the galaxy. According to Harvard astrophysicist ...

The discovery could challenge current ideas about how galaxies formed in the early universe. Hundreds of unexpectedly energetic objects have been discovered throughout the distant universe, possibly ...