Add Yahoo as a preferred source to see more of our stories on Google. In a binary star system, two stars orbit around each other. ESO/L. Calçada, CC BY Stars are the fundamental building blocks of our ...

Using NASA's Fermi Gamma-ray Space Telescope, Chinese astronomers have observed a gamma-ray binary system known as PSR ...

It may not be anything like Tatooine of Star Wars, but this discovery is still incredible. We’ve found a frozen, rocky planet orbiting one of its two parent binary stars in a stable Earth-like orbit.

This unusual system 'shouldn't exist,' says one astronomer, who notes the orbit is as long as his daily commute. By Briley Lewis Published Aug 8, 2023 6:00 AM EDT Get the Popular Science daily ...

Every galaxy has a supermassive black hole at its center, much like every egg has a yolk. But sometimes, hens lay eggs with two yolks. In a similar way, astrophysicists like us who study supermassive ...