Ever since the prominent astrophysicist Edwin Hubble discovered in the mid-20s that the universe is not static but is constantly expanding, and the ob ...

During the latter part of the 20th century, string theory was put forward as a unifying theory of physics foundations. String ...

Einstein’s special relativity, introduced in 1905, brought together space and time into one four-dimensional model. It rests on two key ideas: Galileo’s principle of relativity and the ...

A fourth paper introduced special relativity ... And there we have it: a new principle of relativity. “Henceforth, space by itself, and time by itself, are doomed to fade away into mere shadows ...

In an interview with ThePrint, physicist Yogendra Narain Srivastava discusses his radical new theory of black holes and a ...

Scientists discover universe quasar J1429+5447, possibly ending the cosmic dark age. A jet pointed at Earth gives clues to ...

In 1905, Einstein linked space and time, showing that motion through one affects passage through the other, the hallmark of his special theory of relativity ... a fine idea in principle, but ...

The equation of motion of each of the three neutrinos, accounting for Special Relativity (SR) and for the Equivalence Principle (inertial mass equals gravitational mass). According to the preceding ...

Emmy Noether’s groundbreaking theorem transformed physics by linking symmetry to conservation laws. If you were drifting ...