"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time literally no longer make sense." ...

Moreover, at low energies, their modified equations behaved just like Einstein’s general relativity, suggesting that gravity ...

"We could no longer use the equations of physics to predict ... which is commonly applied in attempts to unify Einstein's general relativity with quantum mechanics, which predicts continuous ...

The European Space Agency (ESA) has launched one of its most precise science experiments to date — the Atomic Clock Ensemble ...

It may be the world’s most famous equation, but what does E=mc2 actually mean? Shortly after completing his paper on special relativity, in 1905, Einstein realized his equations applied to more ...

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

Without relativity, changes in electromagnetic ... is a direct consequence of Einstein's famous equation E=mc². This equation explains the process of nuclear fusion, where hydrogen atoms combine ...

Physicists have taken a bold step beyond Einstein's special theory of relativity, proposing an expansion of special relativity that includes observers moving faster than light. This fresh perspective ...