It’s not ordinary dust, but smart dust: microparticles of porous silicon that resemble miniature shards of glass. Developed by Michael Sailor of the University of California, San Diego (UCSD ...

Every new generation of eyes sees a new version of our galaxy, the Milky Way. This Impressionistic swirl of color represents the churning magnetic fields in giant dust clouds near the center of ...

The formation begins as dust grains collide and gradually clump together, forming larger structures. Various forces, including magnetism, influence the movement of the dust grains.

Mars used to have its own magnetic field, billions of years ago, but it no longer does. However, this field has left behind a mark, with some rocks beneath the surface having been magnetized.