The galaxy MoM-z14 dates back to 280 million years after the big bang, and the prevalence of such early galaxies is puzzling ...

Structures known as "zippers" and "twisters" in the early universe may explain why dwarf galaxies tend to line up with each ...

As the Hubble Space Telescope celebrates 35 years in space, here's what to know about the ambitious instrument.

But when scientists peer very far back, they find conundrums. JWST observations of the distant past are at odds with ...

This cataclysm would result from a change in the Higgs field, a quantum field that pervades all of space. It would be ...

The speed of light is the fastest anything can travel. What happens to a photon from a galaxy 25 million light years away on ...