Comet Siding Spring Animation

With few options remaining, engineers will use the InSight Mars lander’s robot arm to help push a stalled heat probe below the surface.

The red planet Mars is destined to become the ringed planet within 40 million years’ time, when its largest moon Phobos is torn apart, according to two scientists from the University of California, Berkeley.

After a close up fly by of comet 67P/Churyumov–Gerasimenko on Valentine’s Day, Rosetta looped further away from the comet than it has been since arriving there and returned some dramatic new images.