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

The number of satellites in space continues to rise due to the deployment of megaconstellations. For decades, humanity has ...

On December and January evenings, Orion rises early and dominates the southern sky by mid-evening, making him the easiest ...

"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are launched?" When you purchase through links on our site, we may earn an ...

Streaks caused by satellites are visible in a image taken with the Vera C. Rubin Observatory in the foreground. Credit: RubinObs/NSF/DOE/NOIRLab/SLAC/AURA/W. O ...

“Megaconstellations” of vast numbers of satellites could threaten space-based astronomy, scientists have warned. In recent years, companies such as Elon Musk’s SpaceX have launched thousands of new ...

The astronomical community faces a significant and escalating challenge due to the dramatic increase in satellite launches, transitioning from minimal interference by early constellations like Iridium ...

Today the globe is circled by thousands of active satellites—each prone to photobombing astronomers’ telescopes as an artificial star zipping across the night sky. Scientists working with ground-based ...

A look at the most-read space stories of 2025, covering satellite activity, space missions, scientific discoveries, and natural events observed from Earth ...

For decades, metal additive manufacturing (AM) has promised to revolutionize aerospace by offering lighter, more complex, and faster-to-produce components. But for much of its history, AM in the space ...

Space debris – the collection of defunct human-made objects in Earth's orbit – is already affecting space agencies, companies ...