Morning Overview on MSN

New state of matter acts like a solid and a liquid at once

Physicists are now watching matter behave in a way that defies everyday intuition, with atoms and even light itself arranging ...
Nature

Marsquakes indicate that the inner core of the red planet is solid, not liquid

An analysis of seismic waves propagating through Mars finds evidence that the planet has a small, solid inner core, which challenges existing planetary models. Read the paper: Seismic detection of a ...