When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's depiction of 51 Pegasi b, the first exoplanet found orbiting a sunlike star. | Credit ...

Thirty years ago, on a crisp October day in 1995, two Swiss astronomers changed the course of cosmic history. Michel Mayor and Didier Queloz, working at the University of Geneva, announced the ...