Planetary Science
Jupiter’s moons could keep each other warm by raising tidal waves
Along with gravity from the enormous planet, tidal forces between Jupiter’s moons could generate a surprising amount of heat.
Planetary Science
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Seven Mars scientists pretended to be the Mars Perseverance rover on a training exercise in the Nevada desert.
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NASA’s Perseverance rover will collect rocks and search for past life on Mars using lasers and zoomable cameras among other instruments.
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SpaceTwo new books explore Mars — and what it means to be human
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Predicting the weather on Mars is essential for landing and keeping rovers — or astronauts — safe on the surface. The next Mars missions will give forecasts a boost.
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SpaceA newfound exoplanet may be the exposed core of a gas giant
A planet about 734 light-years away could be a former gas giant that lost its atmosphere or a failed giant that never finished growing.
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A tiny moon orbiting an asteroid finally got a name because NASA plans to crash a spacecraft into it.
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SpaceFlat spots on Saturn’s moon Titan may be the floors of ancient lake beds
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