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

There are funhouse mirrors in space. Objects in the universe can be ... foreground galaxy cluster can give us unprecedented insight into the Universe, whether it be high-redshift galaxies, cluster ...

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 ...

NASA aims to travel to the moon again—and beyond. Here’s a look at the 21st-century race to send humans into space. Private spaceflight is not a new concept. In the United States, commercial ...