The impact that carved out the South Pole-Aitken basin on the moon appears to have come from the north, not the south as ...

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 ...

Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...

In fact, the Euclid Consortium, the international group managing the European Space Agency's Euclid space telescope, just ...

Using the world’s largest digital camera, Rubin will capture a full view of the southern sky every three days.

The Flagship 2 simulation, developed using an algorithm by University of Zurich astrophysicist Joachim Stadel, is the largest ...

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...

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 ...

Most cosmologists believe that these stars were the first large, free-floating structures to illuminate our universe, and ...