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 ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

If scientists confirm an anisotropic expansion, it would challenge the assumption that the universe has no preferred directions.

Quipu, Hercules, Serpens–Corona Borealis and Sculptor–Pegasus are all larger than the fifth and final superstructure ...

The discovery was made by Imad Pasha, a doctoral student at Yale University, who stumbled upon the unique galaxy while examining a ground-based imaging survey. "This ...

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

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

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

A new telescope could launch as early as late February. SPHEREx will look into deep space and also search for organic ...

A galaxy in the distance, was tightly encircled by a halo of light—also known as an Einstein Ring, a result of gravitational ...

Before becoming a renowned speaker and a staunch advocate of space exploration, Jean-François Clervoy dedicated 33 years to ...

For decades, scientists have worked to map the universe’s large-scale structure, testing cosmological models and ...