Here is a look at just a few of the biggest developments in astronomy that The Debrief has been tracking in 2025.

Animation of the findings by researchers who used time-delay cosmography to independently confirm that the universe’s current ...

It is very difficult to imagine the Universe as anything other than a perfectly balanced system, but now everything indicates that it could have a highly asymmetrical nature. This is a whole lot more ...

For years, we’ve believed that the universe is a vast, uniform expanse, with the same properties stretching across the cosmos ...

The interactive online map, created using data from NASA's James Webb Space Telescope, details some 800,000 galaxies across a vast cosmic distance. Scrolling and zooming in can take users some 13.5 ...

"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a ...

The Atacama Large Millimeter/Submillimeter Array (ALMA) in the Chilean Andes is one of the most powerful radio telescope ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been produced by the explosion of a massive star just 730 million years after the Big ...

Molecules containing noble gases shouldn’t exist. By definition, these chemical elements — helium, neon, argon, krypton, xenon and radon — are the party poopers of the periodic table, huddling in the ...

Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a key turning point in the universe’s development, known as the Cosmic Dawn.

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, Hawaiʻi Island, have made one of the most precise independent measurements ...