This discovery could change everything. At the very least, it could change what we know about how chemicals are synthesized under heat and pressure. Or it could be a sign of alien life.
Most of the headlines highlight the latter possibility.
The discovery last week of Kepler-452B, an earthlike planet orbiting a sunlike star in the habitable zone (sometimes known as the Goldilocks zone), has once again raised the question of whether we can find intelligent life elsewhere in the galaxy.