New research into the alignment of planetary systems shows that the angle between a star's rotation and its planets' orbits, known as stellar obliquity, is largely set at the moment of birth. By comparing 114 Sun-like stars of different ages and type...

Gliese 48 b is a newly characterized super-Earth orbiting a red dwarf star. Located in a temperate region where temperatures could potentially support liquid water, the planet has a mass roughly eight times that of Earth. While it does not pass in fr...