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

But the stellar halo, as this roughly ball-shaped, less dense grouping of stars is called, stretches the limits of the Milky Way out to about 400,000 to 600,000 light-years across. Although it all ...

Scientists watching the nearby Fomalhaut star system have directly seen two protoplanets smash together for the first time. Then, they saw it happen again.

Astronomers finally have the answer to a 20 year mystery. In A Nutshell Hubble Space Telescope captured evidence of two ...

Mars is apparently not the only planet on our radar capable of sustaining life. UK researchers have confirmed the existence of a “super-Earth” located 20 light-years away that could reveal the ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Astrophotography can make you feel two very different things: tiny ...

The winners of the 2025 ZWO Astronomy Photographer of the Year Award have been revealed, showcasing a spectacular selection of night sky images that reveal the majesty of ancient galaxies, nebulas, ...

Astronomers used a method once theorized by Albert Einstein to find a mysterious and rare planet on the edge of our galaxy. The planet, AT2021uey b, is a Jupiter-sized gas giant located about 3,200 ...

This jet streaming out of a supermassive black hole is traveling at nearly the speed of light. Credit: NASA / JPL-Caltech illustration Superman may fly faster than a speeding bullet, but he'd easily ...

Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a measure of distance. The confusion arises from the “year” that comes at the ...

Astronomy day 2025 is upon us! To celebrate, we've picked six targets to emphasize the variety and scale of objects visible in the night sky that will make for a beautiful and rewarding sight, whether ...