For most of human history, the Universe looked like a scattered collection of isolated lights. The night sky revealed stars, planets and, under the right con…

There is a number that appears almost everywhere in modern astronomy: 13.8 billion years. It is quoted so often that it feels familiar, almost obvious, as if…

On April 10, 2019, astronomy crossed a threshold that once seemed unreachable. For the first time, humanity saw an image reconstructed on the scale of a blac…

The Milky Way has always appeared to us as a soft river of light crossing the night sky, but only in recent years have we begun to understand its true archit…

Stars are not eternal. They are born, they evolve, and they die, leaving behind traces that reshape the universe itself. Their story begins in the coldest an…

Dark matter is invisible, yet its presence is undeniable. We cannot see it directly, but we can measure its influence everywhere — in the bending of light, i…

The formation of galaxies in the early universe is no longer a distant hypothesis. Thanks to the James Webb Space Telescope, it has become a directly observe…