New simulations show that early ultraviolet light controlled whether ultra-faint dwarf galaxies could form stars.

George Lucas's Star Wars franchise is a cultural institution that has inspired millions of fans around the world to cast ...

A new study says the universe may not expand forever and could shrink one day. Scientists found that dark energy may change ...

The discovery of an X-ray signal coinciding with the location of one of the mysterious 'little red dots' found by the James ...

May’s night skies turn the skywatcher’s gaze away from the dazzling brilliance of the Milky Way and toward grand walls, ...

During May, the University of Wyoming Harry C. Vaughan Planetarium will host an evening outreach event at Sinks Canyon State ...

A new cosmological study published in arXiv suggests the universe may have a dramatically shorter lifespan than previously ...

If our galaxy was in the middle of the Boötes void, we wouldn’t have known there were other galaxies until the 1960s.

A new Space Warps project lets the public hunt for gravitational lenses in data from the Euclid Space Telescope.

For years now, astronomers have been witnessing what seems like an ever-growing puzzle regarding the early formation of the ...

The existence of these elusive objects, known as dark galaxies, has long been predicted by the Lambda Cold Dark Matter model, which describes how matter in the universe forms structures.