Many theories are rock-solid: Scientists have just as much confidence in the theories of relativity, quantum mechanics, ...

We all know that black holes are mysterious giants in the universe, with a mass beyond imagination and gravitational forces so strong that even light cannot escape. Our understanding of black holes ...

From early experiments with lanterns to Einstein’s revelations about space and time, the speed of light has proven to be far ...

Einstein’s Theory of General Relativity is currently our best approximation of how the universe ticks. But there are holes.

Einstein’s theory of special relativity tells us that for a moving object, time passes more slowly than for a stationary ...

Asking what existed before the Big Bang is often dismissed as meaningless, since traditional physics breaks down when pushed ...

"GW250114 is the loudest gravitational wave event we have detected to date; it was like a whisper becoming a shout." ...

According to Newtonian physics, the gravitational attraction between two masses is proportional to the inverse of the square ...

Today, let’s talk about something mysterious — black holes. I guess everyone has heard a bit about them; they are the "cosmic ...

Ten years after scientists first detected gravitational waves emerging from two colliding black holes, the LIGO-Virgo-KAGRA ...

LIGO’s GW250114 confirms Einstein, Hawking, and Kerr’s black hole predictions with the loudest gravitational-wave signal ever ...

Is time something that flows — or just an illusion? Exploring space-time as either a fixed “block universe” or a dynamic fabric reveals deeper mysteries about existence, change, and the very nature of ...