LISA Pathfinder – in space to feel gravity

ESA are about to release two golden cubes inside the LISA Pathfinder spacecraft, preparing for a multi-million kilometre space experiment. We explore how the motion of these cubes can open up for a whole new world of observations using gravitational waves – where energy is moving through space as ripples in it, and not as light.

Cooking your own star

Stars are the bright spots of our lives, this recipe gives you the basic astrophysics you need to cook one yourself. Some will last longer than the Universe is old, whereas others are short-lived, ferocious beasts.