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 ...

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

After hundreds of hours of observations, researchers captured a highly detailed image of a long filament of the "cosmic web" ...

Researchers say they've discovered the largest known object in the universe, a galactic superstructure called Quipu.

Enormous Galaxy Clusters Found to be 1.3 Billion Light-Years Wide, Deemed to be The Largest Known Structure In a monumental ...

Astronomers have been able to image gas as it travels down a 3 million light-year-long cosmic highway between two growing ...

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

Astronomers used an array of telescopes to find the most massive radio jet in the early universe. The celestial object is ...

Euclid, a space telescope on a mission to uncover the secrets of dark matter and dark energy, has already made a stunning ...

Einstein rings help scientists study dark matter and cosmic expansion. Euclid will find thousands more lenses to map the ...

Scientists have recorded the largest structure in the known universe, Quipu, which is about 1.3 billion light-years wide.