A woman in Florida caught fire while working out at a gym when a mobile phone belonging to someone else exploded in a freak accident.
Researchers has discovered an Earth-sized planet in the "habitable zone" of another star.
The US Navy has unveiled a futuristic electromagnetic rail gun it claims can kill at "seven times the speed of sound".
It's the next-generation smartphone battery that goes from zero to fully charged in under 30 seconds.
A NASA camera on Mars has captured what appears to be an artificial light shining outward from the red planet's surface.