Fun fact: Some of the largest structures in the universe are completely invisible—until you tune in to radio waves. That unsettling idea sits at the centre of The Universe Just Drew a Circle We Can’t Explain, a story that feels less like a discovery and more like a quiet provocation. Astronomers have detected the most …
Fun fact: some of the largest structures ever seen in the universe are completely invisible to human eyes—and we only notice them because space “whispers” in radio waves. Astronomers have now detected the most powerful and most distant “odd radio circle” ever observed, and the discovery feels less like ticking off another cosmic object and …
In the quiet reaches of space, radio astronomers are tirelessly listening to signals that help us understand the universe. They study everything from distant stars to the mysterious echoes of the Big Bang. But today, this silent work is being disturbed by a new kind of interference. The rise of satellite constellations, such as Elon …



