Do we live in a simulation? This is one of those questions which has kept at least part of humanity awake at night, and which has led to a number of successful books and movies being made on the ...

For more than a century, gravity has been the stubborn outlier in physics, resisting every attempt to merge Einstein’s smooth space-time with the jittery world of quantum mechanics. A new wave of ...

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(via Sabine Hossenfelder) The second law of thermodynamics says that entropy will inevitably increase. Eventually, it will make life in the universe impossible. What does this mean? And is it correct?

Iconic iceberg turns blue, on verge of totally disintegrating, NASA says Trump says he will temporarily cap credit card rates ...

By Partha Sinha Entropy fascinates because it announces itself. It spreads, decays and disperses. It makes noise. Like Kali, ...

How did the universe start? Did we begin with a big bang, or was there a bounce? Might the cosmos evolve in a cycle of expansion and collapse, over and over for all eternity? Now, in two papers, ...