Life beyond Earth: Are we alone? The search for alien life in exoplanets
Until the mid-1990s, the question of planets beyond our solar system was largely left to science fiction. Then, in 1995, Swiss astronomers Michel Mayor and Didier Queloz discovered 51 Pegasi b, a planet orbiting a star 50 light-years away. It was a gas giant, nothing like Earth, but it opened the floodgates. Today, thanks to … Read more