“Using newer mathematical tools, my colleague and I have demonstrated a new theory that may accurately describe the universe. Instead of basing the theory on the warping of space and time, we ...

In 1916, Albert Einstein discovered that his theory of general relativity predicted the existence of gravitational waves — ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its ...

In a groundbreaking mission set to explore the very fabric of our universe, NASA’s Nancy Grace Roman Space Telescope is gearing up for its launch by May 2027. The telescope will offer a bold new ...

How exactly did the universe start and how did these processes determine its formation and evolution? This is what a study published in Physical Review Research hopes to address as a team of ...

The James Webb telescope's 100-hour reexamination of one of Hubble's most iconic extragalactic images reveals extraordinary ...

For decades, scientists suspected this ion played a critical role in cooling the early cosmos, helping the first gas clouds ...

Nestled within a tiny red galaxy, it dates back 13 billion years -- just 500 million years before the Big Bang -- and shows ...

A team of astronomers have put together the largest, most detailed map of the universe ever created – and you can explore it now.

Physics The radical idea that space-time remembers could upend cosmology There are new hints that the fabric of space-time may be made of "memory cells" that record the whole history of the universe.

An astronomer explains why space looks so dark despite containing 200 billion trillion stars.