The search for life beyond Earth has generally focused on places that are as much like our home as possible. That’s why the Kepler space mission has gotten headline after headline after headline in ...

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A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. We already know a decent amount about how planets form, but moon ...

Ganymede's auroras splinter into small, bright patches — structures that mirror features seen in Earth's own auroral displays.

A new international study co-led by Aix-Marseille University and Southwest Research Institute (SwRI) reveals that the striking contrast in the water contents of Jupiter’s Galilean moons was ...