Titan, Saturn's largest moon, is a fascinating world that is unique among moons of the outer solar system. It's shrouded in a ...

Did Mars once have a full magnetic field in its ancient past like Earth does today, or was it lopsided and only covered ...

The planet's once-strong magnetic field appears to have been limited to its southern hemisphere, the apparent result of a fully liquid inner core that differs from that of Earth ...

New Curtin-led research has revealed that water played a far bigger role than previously thought in shaping Earth's first continents, transforming the planet's early crust and helping to build the ...

A 400-mile funnel under the U.S. Midwest is dragging Earth's crust into the mantle—revealing ancient tectonic forces still reshaping North America today.