That’s quite a big gap, as it turns out. It covers fields from gigantic bodies like the Sun and Earth, as well as those ...

During the flyby, JADE collected hydrogen and oxygen ions from Europa's atmosphere that had been subsequently "picked up" by Jupiter's magnetic field. This allowed researchers to more directly ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...

A perfectly preserved ancient tree fossil offered scientists an unprecedented view into a moment 42,000 years ago when the ...

Instead, magnetic north is the changing location where the planet’s magnetic field lines converge. This field is generated by the churning of the planet’s outer core, a layer of molten iron and nickel ...