
Planets around faraway stars are too faint to photograph, so scientists hunt for clues. Learn how a tiny dip in starlight or a star's wobble reveals a hidden planet, and why finding a planet does not mean finding life.

Planets around faraway stars are too faint to photograph, so scientists hunt for clues. Learn how a tiny dip in starlight or a star's wobble reveals a hidden planet, and why finding a planet does not mean finding life.