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 ...

In one new theory, it is possible that dark matter exists in a mirror universe where there are only dark versions of forces ...

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

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 ...

Deep-field images from NASA's James Webb Space Telescope revealed 300 unusually energetic early galaxy candidates, offering new insights into how the universe formed and evolved over 13 billion years ...

The upcoming launch of NASA's powerful James Webb Space Telescope should let astronomers see what some of the universe's first stars and galaxies looked like soon after the Big Bang.

The ancient obect Gz9p3, which appeared as a single point of light through the Hubble Space Telescope, is actually one of the most enormous galaxies in the early universe, James Webb Space ...

For decades, measurements of the universe's expansion have suggested a disparity known as the Hubble tension, which threatens to break cosmology as we know it. Now, on the eve of its second ...

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

SPHEREx is set to launch at Friday from California. Here are five things to know about NASA's latest advanced space telescope.