Stevenson 218 is the largest known star in the universe, located about 18,900 light-years away in the constellation of Scutum and far surpassing even the sun in size and brightness. So immense that it ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter.

A problem that has long been considered impossible to solve and that now, thanks to a breakthrough, can be calculated quickly ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

The James Webb Space Telescope's latest image shows eight spectacular examples of gravitational lensing, a phenomenon that ...

Dark energy, which drives the accelerated expansion of the Universe, is assumed to be constant since the Universe began by ...

The Large Magellanic Cloud (LMC) is considered a satellite galaxy of the Milky Way. It's actually visible to the naked eye ...

Scientists have discovered that the 3I/ATLAS — a Manhattan-sized interstellar object that potentially has alien tech — is much larger than previously thought.... First discovered by NASA on July 1, ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Uncover the groundbreaking contributions of these famous scientists. Discover how their innovative discoveries and inventions ...

Scientists may have finally uncovered the mystery behind ultra-high-energy cosmic rays — the most powerful particles known in ...