(via Sabine Hossenfelder) Dark energy is (probably) real, but physicists still don’t know what it’s made of or how to interact with it. One idea that solves this problem is that dark matter isn’t made ...

Progress in the foundations of physics is moving slowly. And yet it moves. Today I look at the five biggest problems in ...

Is there anything after death? What is the meaning of life? Are we just a bag of atoms? The scientist Sabine Hossenfelder, born in Frankfurt (Germany) 48 years ago, is convinced that if there is a ...