The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

The “dark energy” field that has fueled the expansion has been weakening over the past 4 billion to 5 billion years, new data ...

The European Space Agency’s “dark universe detective” discovered millions of new galaxies and offers potential clues about ...

An accidental discovery by a team of astronomers has upended existing theories about how galaxies formed in the early ...

On March 23, however, the iconic rings are set to 'disappear'. This is due to the Earth’s orbit crossing the plane of the ...

Firefly Aerospace’s Blue Ghost commercial lander has gone dark on the moon as planned, but not before sending back ...

New research by the Atacama Cosmology Telescope (ACT) collaboration has produced the clearest images yet of the universe's ...

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

Astronomy contributor and lunar expert Robert Reeves looks back on a Texas-sized achievement in Moon exploration.

Get the scoop on middle names, from why parents choose the middle names they do to how to pick one that you (and your child) ...

I'm just noting that while The Age of Disclosure is much likelier to stir up controversy and win a bigger audience, the ...

The first image from the international SKA Observatory’s telescope in Australia, SKA-Low, has been released today – a significant milestone in its ...