When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

Astronomers from the Max Planck Institute for Astronomy have constructed the first detailed 3D map of the properties of cosmic dust in our home galaxy. For their map, the astronomers used 130 million ...

In his final days aboard the space station in a mission that’s lasted six months, American astronaut Don Pettit has shared ...