These May nights provide the skywatcher impressive views of galactic clusters unimpeded by the Milky Way, the chance to study ...

Spoiler warning: Below there will be information about today's New York Times Strands puzzle.

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at regular intervals that have puzzled scientists , a study said Friday.

In 2009, NASA's Hubble, Chandra X-ray, and Spitzer Space Telescopes teamed up to capture a breathtaking image of the Milky Way's center, uncovering glowing arcs of warm gas heated by powerful, massive ...