Resumen de Chasing shadows
Later this year, astronomers will begin a new sky survey to look for signs of dark energy among exploding stars and ancient galaxy clusters. A pack of space missions and gigantic Earth-based telescopes will soon join the chase. Meanwhile, some physicists are pursuing an unorthodox idea: that they might snare dark energy in the lab. Here, Battersby tells why people's knowledge of the quarry is desperately scarce.
