Like Earth, Mars once had a strong magnetic field that shielded its thick atmosphere from the solar wind. But now only the magnetic imprint remains. What's long baffled scientists, though, is why this ...

(CNN) — A typical New Year’s resolution is to exercise more, although where to start can feel daunting. Some opt for a fitness class; others create a plan with a personal trainer or work out from home ...

A typical New Year’s resolution is to exercise more, although where to start can feel daunting. Some opt for a fitness class; others create a plan with a personal trainer or work out from home.

If you’re like most people, when you hear the word core, you probably think of six-pack abs. But your core is so much more than that — it’s the powerhouse that stabilizes, supports and moves you ...

The iron-rich core at the centre of our planet has been a crucial part of Earth’s evolution. The core not only powers the magnetic field which shields our atmosphere and oceans from solar radiation, ...

Deep beneath our feet, far beyond the reach of drills or submersibles, Earth hides a solid metal heart that behaves in ways geophysicists have struggled to explain. New experiments now suggest that a ...

First ever supercomputer simulations of Mars with a fully molten core could explain the Red Planet's unusual magnetic field. Billions of years ago, Mars had an active magnetic field. Mysteriously, its ...