Scientists have long puzzled over why Mars, once protected by a global magnetic field like Earth, now shows only a magnetic ...

A team of researchers from the German Aerospace Center (DLR) used that ice cap to make surprising discoveries about it and what it tells us about Mars's interior. The research is published in the ...

Mars' magnetic mystery may finally have a solution—scientists now think the Red Planet’s ancient magnetic field only existed ...

NASA’s InSight lander aims to unravel the mysteries of Mars’s interior by tracking how seismic waves move through the red planet. Mars’s northern and southern hemispheres are wildly ...

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 ...

NASA's $850 million InSight Lander is the first designed to study the interior structure of Mars. Until now, NASA's landers mainly focused on exploring Mars' surface for signs of potential life.

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

Learn about Mars' defunct magnetic field, which may have sustained life on the planet and covered only its southern hemisphere over 4 billion years ago.

The Astrogeology Science Center, which has helped astronauts and robots reach other worlds safely, is facing a substantial ...

Seismic data from NASA’s InSight lander suggests liquid water may exist beneath Mars’ surface, supporting the potential for ...