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

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 ...

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

Astronomy is, in essence, an exercise in inference. We cannot touch the stars, nor scoop up galaxies in a lab. Instead, we ...

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

Sometimes, the simplest explanation is the best one," Professor Gupta said. "Maybe the universe’s biggest secrets are just ...

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

Deep beneath South Dakota, scientists are closing in on one of the greatest mysteries in the universe — the true nature of ...

Requirements for icebreakers have been tightened, so wheels were replaced by vents and turbines, and internal combustion engines were replaced by nuclear power units. The highest demand for ...

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

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...