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

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

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

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

Stephen Hawking's and Albert Einstein’s predictions have finally been proved right after a 'black hole collision'. In January this year, astronomers spotted two black holes colliding into one another ...

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 ...

The observatory is one of two in the United States funded by the National Science Foundation with its counterpart, LIGO ...

Since that day, LIGO — composed of two highly sensitive laser interferometers located in Hanford, Washington and Livingston, ...

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

From a plane crash victim whose legs no longer function to a paralyzed Humboldt Broncos survivor — how supermachinery is ...

Future gravitational wave observations will allow us to test more exotic scientific theories, and maybe even probe the ...

From spanners to a new tractor, all bets are off when you are at the ploughing. No purchase is too big, no trinket too small ...