Visual summary of key considerations and arguments about the nature and scope of the definition and use of the term “habitable.” There are strong and valid arguments both for a

EIS datasets. Sequence of observation types during a flyby as a function of range to Europa. Although only shown once here for clarity, observations are made both inbound and outbound

Earth’s atmosphere — NASA Water vapour is highly subsaturated in much of the Earth’s atmosphere. This has important consequences for water vapour feedback, and also for general phenomena such as

Schematic of project design. A E. coli REL606 strains were grown in High Aspect Ratio Vessels (HARV) on Rotating Wall Vessels (RWV) for simulated microgravity (SµG) and rotating (R) control

Viking 2 Landscape — NASA Due to extreme temperatures and the dryness of Mars, it’s thought to be impossible for liquid water to form on the planet’s surface, a critical

Graphical Abstract — Bar-Ilan University A new study by researchers at Bar-Ilan University has uncovered that certain ocean viruses—specifically RNA viruses—may disrupt how carbon and nutrients are recycled in the