If I let the gravitational potential energy at an infinite distance be zero Joules, then: Yes, the gravitational potential energy in this way would always be negative.

Astronomers search for sources of mind-bending gravitational hum permeating the universe A massive hum of energy pervades the universe. Is it supermassive black holes or something weirder?

The 5,000 pencil-size robots will fit snugly inside 10 wedge-shaped petals. Here, one of those wedges is fully stocked with 500 robots, each of which will swivel independently to gather light from ...

The change in gravitational energy of the mass should be equal to the change in thermal energy of the water. OK, we actually already know this relationship. But it's still fun to reproduce it.

A century after Albert Einstein predicted their existence, gravitational waves have finally been detected, tiny ripples in the fabric of space-time that were generated when two massive black holes ...

In a new Physical Review Letters study, researchers have successfully followed a gravitational wave's complete journey from the infinite past to the infinite future as it encounters a black hole.

Right after the Big Bang, gravitational waves may have built on each other to create huge standing waves of gravitational energy.

Supermassive black hum: Scientists discover gravitational wave background that permeates universe The source could be merging black holes — or something more 'mind-bending' ...

Segment 4E: Gravitational Potential and Kinetic Energy Gravitational potential energy and kinetic energy are defined and explained mathematically through multiple example problems.

Gravitational waves from merging black holes distorted due to a phenomenon predicted by Einstein could be a new way of measuring the rate of cosmic expansion.

Scientists at The University of Manchester have discovered a new way to test Einstein's theory of relativity using the 'lead' of a pencil. Until now it was only possible to test the theory by ...