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

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

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

Einstein’s Theory of General Relativity, an immensely important update to Newton's Law of Universal Gravitation, is currently ...

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

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

Textbooks give strange, imprecise explanations of where things happen in quantum mechanics. Consistency with gravity needs a fresh approach.

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

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

From ancient times to the present, humanity's inquiry into the universe has never ceased. Whether it is Qu Yuan's ...

Hawking's second law of black hole mechanics, also known as Hawking's area theorem, states that the area of the event horizon ...

The speed of light, c, is not just a very large number. In modern physics it is a structural constant: the conversion factor ...