The Ice Harvest In 2094 the asteroid 16 Psyche was no longer a curiosity. The metallic worldlet—226 km across, 2.41 × 10¹⁹ kg of mostly iron-nickel with a thin silicate rind—had been claimed under the 2047 Lunar Accord extension. Three corporate…

The Slow Ships The first colony ship to Proxima Centauri b launched in 2078 from L2 halo orbit. It was not called a generation ship. Generation ships were romantic; this was a freight hauler with people as cargo. The vessel—officially Interstellar…