Lost in spacetime

Why quantum mechanics says the past isn’t real

Why quantum mechanics says the past isn’t real

kakameo

An Einstein ring known as a blue horseshoe, an effect observed due to gravitational lensing of a distant galaxy. NASA, ...

The fascinating story of the ultimate cosmic law

The fascinating story of the ultimate cosmic law

kakameo

Where does the speed of light come from and why is it so stubborn? NASA, ESA, CXC, SSC The following ...

Is the universe really one big black hole?

Is the universe really one big black hole?

kakameo

Could this be an illustration of the entire universe? Arlum/Alamy The following is an excerpt from our newsletter, Lost in ...