The largest of three newly found ring shaped structures in the cosmos are almost a million light-years across.

Three enormous and peculiar radio light rings were discovered far, far outside our own galaxy, shedding more light on one of ...

There once was a dream of cities in space — vast cylindrical habitats, self-sufficient and populated by millions who would ...

These enormous, mysterious rings of radio emissions are nearly twice as old as our Milky Way. A new study, published in ...

Scientists at Brazil’s Pico dos Dias Observatory have, for the first time, successfully observed the process of formation of ...

The Milky Way ripples like a vast cosmic wave. Gaia’s precise measurements reveal a colossal motion sweeping through the galaxy’s disc, an echo of something mysterious in our galaxy’s ancient past.

A new book and documentary from James Bluemel tells the story of the space race so far in photographs, a mix of images from ...

NASA officials respond to reports claiming an exoplanet-hunting balloon crashed in Texas, with the project’s lead scientist explaining what really happened.