The first ever image of a black hole's swirling magnetic field is released
The Event Horizon Telescope has taken a new image of black hole M87, revealing its magnetic field
Calculating the entropy of black holes helps solve fundamental questions about our universe
Physicists have shown that the Cardy limit can be used to calculate entropy
Physicists measured general relativity's effects using clocks
The findings will let us apply the theory here on Earth
We can’t see it or feel it, but we know it’s out there. Probably.
Learn how we know about dark matter, the best attempts so far to explain what it is, and the experiments that are trying to detect it.