Nasa rover makes major discovery as evidence of miniature lightning bolts on Mars uncovered
The discovery may change how manned missions to the Red Planet are planned
Space
Northern Lights set to be visible in Britain once again tonight as geomagnetic storm rages
Britain could bask under the Aurora Borealis as soon as tonight - find out if YOU can see it here
Scientists unveil extraordinary new theory which could radically alter everything we know about space
Experts and academics said the study was thought-provoking
