Quirks & Quarks

Ideal setting for alien life, Fort Mac rebounds and more

Plus - someone won NASA's space suit toilet contest, crystals contain 50-thousand year old microbes and New Zealand's gene drive.
This artist's concept shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets' diameters, masses and distances from the host star. (NASA/JPL-Caltech)