Here’s a hand-wavy attempt: a galaxy is a collection of stars, gas, dust and dark matter all held together by mutual gravity. At the lower end of the scale, some very small galaxies could be ...

A large protocluster of galaxies that existed 12.6 billion years ago, first discovered with the Subaru Telescope, has been ...

A fuzzy smudge of light visible from the Southern Hemisphere, the Large Magellanic Cloud looks modest to the naked eye. But ...

From remote peaks to observatory sites, these North Carolina stargazing spots reveal brilliant night skies and cosmic views.

Galaxies, like so many other astronomical objects, are surprisingly difficult to define. Here’s a hand-wavy attempt: a galaxy is a collection of stars, gas, dust and dark matter all held together by ...

A black hole weighing roughly 100 million times the mass of our Sun had no business existing when the universe was barely 570 million years old. Yet there it is, buried inside a tiny, reddened galaxy ...

The universe’s latest mystifying denizens continue to flummox and divide astronomers. Almost as soon as NASA’s James Webb ...

Think about a census. You could photograph every house in the country and produce a beautiful map, but without knocking on doors and asking questions, you'd know almost nothing about the people living ...

Debate still swirls around the nature of “little red dots,” black holes glimpsed in the early universe by the James Webb ...

The most energetic "ghost particle" neutrino ever detected may have been blasted at Earth by blazars, black hole engines that ...

The 2,700-mile route covering the entire English coastline is almost complete. We walked less trodden sections big on scenery and history ...

Space tourism is still costly and challenging, but an inspirational visit to America's great aviation and space museums and ...