The NASA/ESA Hubble Space Telescope has unveiled a stunning image of the Abell 209 galaxy cluster, located 2.8 billion ...

Here are 8 incredibly beautiful and mesmerizing deep space images captured by NASA’s Hubble Space Telescope, showcasing the ...

Kelly Hubble’s latest portrait zooms into Abell 209 ... hot gas and dark matter that outweighs normal matter five to one.

Is it possible to understand the Universe without understanding the largest structures that reside in it? In principle, not ...

Seen as a long strand with smaller threads branching, the Quipu superstructure contains 68 galaxy clusters spanning 1.4 ...

For years, scientists have worked to chart the universe’s massive structure, aiming to test key models of cosmology. These ...

With the release of its first images this month, the Vera C. Rubin Observatory has begun a 10-year mission to help unravel ...

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

Gravitational lensing has long been a valuable tool for measuring cosmological parameters like the Hubble constant, which quantifies the rate at which the universe expands.

A citizen scientist found an Einstein ring, a natural phenomenon caused by gravitational lensing, in a Hubble Space Telescope image.

The James Webb Space Telescope has identified the first-ever "Einstein zig-zag," a distant quasar lensed six times by two precisely aligned galaxies that could help tackle a cosmological crisis.