This illustration shows an exoplanet orbiting around two brown dwarfs –– objects bigger than gas-giant planets but too small to be proper stars. ESO/M. Kornmesser Astronomers have discovered a ...

Astronomers are increasingly finding planets that do not simply circle their stars in neat, clockwork ellipses but instead trace out paths that look more like intricate choreography. The latest ...

A newly analyzed planetary system has turned up a world orbiting at such a skewed angle that it defies the neat textbook picture of how planets are supposed to form and settle around their stars. The ...