In the Feb. 18 SN: Anniversary of a celebrity supernova, readying for the next stellar explosion, human-animal chimeras, hottest year on record, molecules tied in knots, cancer results don’t reproduce and more.
ONTO THE ICE This image from the Galileo spacecraft shows the icy surface of Europa. The Jovian moon is a target for a potential lander mission that will look for signs of life there.
The Juno spacecraft, shown in this artist’s illustration, will not maneuver into a shorter orbit around Jupiter due to an issue with helium valves that are part of the plumbing for the probe’s main engine.
Kevin Gill/Wikimedia Commons (CC BY-SA 2.0)
HINTS OF LIFE? Organic matter has been detected on Ceres, shown, suggesting the dwarf planet hosts the building blocks of life.