Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

The study analyzed the circumstellar disks of a pair of stars, learning about how planets are formed from some unexpected ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...