A NASA spacecraft has returned asteroid samples that hold not only the pristine building blocks for life but also the salty ...

In the search for oases of liquid water in the solar system, Saturn's diminutive moon Mimas would not have appeared high on many astronomers' lists. Its icy crust has a dead, inert surface, pocked ...

Both neutron stars and certain moons such as Jupiter's moon Europa or Saturn's moon Enceladus have thin crusts over deep oceans, while Mercury has a thin crust over a large metallic core.

Both neutron stars and certain moons such as Jupiter’s moon Europa or Saturn’s moon Enceladus have thin crusts over deep oceans, while Mercury has a thin crust over a large metallic core.