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

Astronomy studies celestial objects and phenomena beyond Earth. Astronomy degrees offer specializations like cosmology, planetary science, and stellar astrophysics. Astronomers use telescopes, math, ...

Everybody enjoys a good mystery. And boy, right now there’s a doozie of a mystery in cosmology. Cosmology is the “big picture” of astronomy. Cosmology attempts to understand the creation on the ...

In this video, Arvin Ash explores the history of the universe from the Big Bang to modern cosmology. Key discoveries include: ...

In this series I give you an overview of important ideas in the area of cosmology. This video is the second in the series, and focuses on dark matter. Using various detectors and research methods, ...

Astronomers have assumed for decades that the Universe is expanding at the same rate in all directions. A new study based on data from ESA’s XMM-Newton, NASA’s Chandra and the German-led ROSAT X-ray ...

Johns Hopkins University theoretical physicist Marc Kamionkowski is one of three physicists to be awarded the 2021 Gruber Cosmology Prize for their contributions to methods essential for studying the ...

A century-old mystery of how galaxies change shapes has been solved by considering 'survival of the fittest' collisions between cosmic titans. When you purchase through links on our site, we may earn ...

The Atacama Cosmology Telescope in Chile has released its final batch of data after 15 years — and it proves that the Hubble ...

Originally published in England under the title The Fontana history of astronomy and cosmology. Statement of responsibility from jacket. Prehistory -- Ancient Egypt -- Mesopotamia -- The Greek and ...