A new dimension in the quest to understand dark matter

As its name suggests, dark matter—material which makes up about 85% of the mass in the universe—emits no light, eluding easy detection. Its properties, too, remain fairly obscure.

Not all theories can explain the black hole M87*

As first pointed out by the German astronomer Karl Schwarzschild, black holes bend space-time to an extreme degree due to their extraordinary concentration of mass, and heat up the matter in their vicinity so that it begins ...

Is the past (and future) there when nobody looks?

In 1961, the Nobel prize winning theoretical physicist Eugene Wigner proposed what is now known as the 'Wigner's friend' thought experiment as an extension of the notorious Schroedinger's cat experiment. In the latter, a ...

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