Mystery of planet-forming disks explained by magnetism

Astronomers say that magnetic storms in the gas orbiting young stars may explain a mystery that has persisted since before 2006.

NASA study shows disks don't need planets to make patterns

Many young stars known to host planets also possess disks containing dust and icy grains, particles produced by collisions among asteroids and comets also orbiting the star. These debris disks often show sharply defined rings or spiral patterns, features that could signal the presence of orbiting planets.

Sharp launches first 100GB Blu-ray disks and drives

Sharp has launched the first 100GB Blu-Ray disks based on the BDXL format, announced last month by the Blu-ray Disk Association.