New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...

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 CONVERSATION) If you want to know what happened in the earliest years of the universe, you are going to need a very big, very specialized telescope. Much to the joy of astronomers and space fans ...

An international team of researchers has found dark matter dominating the halos of two supermassive black holes in galaxies ...

Galaxies are among the most breathtaking structures in the universe, ranging from elegant spirals to massive elliptical ...

The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...

While radio jets are relatively common in the nearby Universe, they have been elusive in the early Universe. This is partly ...

In a significant astronomical discovery, researchers found three ultra-faint dwarf galaxies, offering new insights into the ...

It is not surprising that there are regions that are more densely populated by galaxies, and regions that are less populated.

"Vera Rubin provided the first evidence for dark matter using the rotation curves of nearby local galaxies. We're using the same technique but now in the early universe," said Silverman.

Experts emphasize that the cosmic microwave background is shaped by everything it encounters on its journey, including ...