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 ...

Alpha Centauri, one of the two "Pointer Stars" that help stargazers find the Southern Cross in the Southern Hemisphere, may have a planet in orbit around it. If it does, the Webb Telescope will find ...

Uranus is an oddball planet. It spins around the Sun on its side, so the poles take turns pointing towards the Sun during the planet’s orbit. Its magnetic field is also very weird: it is tilted by ...