Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the ...

Hubble’s crystal-clear look at NGC 1786—an ancient globular cluster tucked inside the Large Magellanic Cloud—pulls us 160,000 ...

A massive, spacetime-warping cluster of galaxies is the setting of today's NASA/ESA Hubble Space Telescope image. The galaxy ...

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 ...

A colossal cluster of galaxies is bending the very fabric of space—and it’s the focus of this week’s breathtaking image from ...

Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious event that could reveal the existence of a "rogue planet" drifting through ...

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

The gravitational field outside the sphere can be accurately simulated by combining a series of simple equations called a spherical harmonic expansion. But does this still hold true for the field ...

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

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 universe. This is because the early cosmos was so hot that "electrons were ...