... The Real Reality Show: Would aliens be anything like us? ... Dave's Universe . ... Sloan survey shows dark energy who's boss . ... Astronomers have made the most accurate measurement yet of galaxy distances in the faraway universe, giving an unprecedented look at the time when dark energy turned on. ... Whether the answer to the puzzle of the accelerating universe is dark energy or modified gravity, the first step to finding that answer is to measure accurate distances to as many galaxies as...