Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the ...

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

The Large Magellanic Cloud, a dwarf satellite galaxy orbiting the Milky Way, causing the larger galaxy to “wobble,” imparting ...

This new map of the Milky Way contains 10 times more objects than ... the researchers were able to chart how they moved and ...

Published as a cover story in Science on Friday, this cosmic atlas solves a decade-old challenge in astronomy by revealing ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

The European Space Agency is releasing the most detailed star chart yet for the Milky Way and neighboring galaxies. The data released Wednesday include high-precision measurements of almost 1.7 ...

Sagittarius A* is the supermassive black hole at the center of our home Milky Way galaxy. It has a mass equal to billions of suns and has an accretion disk made up of gas and dust surrounding it.

New research from a team at the Harvard Center for Astrophysics suggests that the Large Magellanic Cloud, a dwarf galaxy neighboring the Milky Way, hosts a gravitational structure hundreds of ...

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of a huge number of faint stars. For the next 300 years, astronomers assumed that the ...