The physics behind stable circular orbits in binary stars explores how gravitational forces balance to create long-term orbital stability between two stars. Learn the fundamental principles of ...

Astronomers have long wondered why planets orbiting two stars like the iconic Tatooine in Star Wars are so rare. You would ...

General relativity helps explain the lack of planets around tight binary stars by driving orbital resonances that eject or destroy close-in worlds. This process naturally creates a “desert” of ...

Astronomers may finally understand why planets orbiting two suns, the real-world equivalents of the "Star Wars" planet Tatooine, are so scarce in our galaxy — and it has to do with general relativity.

Supermassive black hole binaries form naturally when galaxies merge, but scientists have only confidently observed a very few of these systems that are widely separated. Black hole binaries that ...

Cosmic relationships in space mirror human connections, with some stars locked in destructive, codependent partnerships.

Researchers propose a new technique to identify supermassive black hole binaries through gravitational lensing causing ...

For a single supermassive black hole, extremely strong lensing occurs only when a star lies almost exactly along the line of ...

An international research team announces the discovery of a new exoplanet orbiting a binary star system. Named HD 143811 b, ...

Since the third Gaia data release in 2022, wide binary stars with separation greater than several thousand astronomical units have been intensely investigated across the world, to probe the nature of ...

Supermassive black holes rarely travel alone. Most large galaxies hide one at the center, and when galaxies collide, the two ...