Zone of divergence: A section through the centre of mass, O, of a planet and the single point, S, on the surface of the planet that touches its Brillouin sphere. The point O is the centre of the ...

Brown dwarfs have fascinated astronomers for decades: too massive to be planets but not massive enough to shine like stars, their origins remain debated. Do they form like stars through gravitational ...

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.