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

Mathematical quirks of our universe have led some cosmologists wonder whether the cosmos was actually born in a black hole.

Researchers at Hiroshima University have developed a realistic, highly sensitive method to detect the Unruh effect—a ...

How is the total mass of the universe calculated? Bob GiddingsGreen Bay, Wisconsin Calculating the total mass of the universe ...

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 special relativity tells us that for a moving object, time passes more slowly than for a stationary ...

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

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

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 ...

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

The article critiques the Indian higher education system, highlighting its focus on employability over intellectual ...