‘Homeless’ planet discovered wandering through space

Astronomers have for the first time found  a  rogue planet that  appears to be wandering through space on its own, unattached to any star.

New reactor aims for fusion ignition

Russia and Italy have agreed to build a new fusion reactor outside Moscow that they hope could become the first to achieve ignition - the point where a fusion reaction becomes self-sustaining instead of requiring a constant input of energy.