Nasa's Curiosity rover has snapped a photo of a mysterious object on the surface of Mars.
A mysterious circular rock formation on the surface of Mars has been captured by one of NASA's Orbiters.
The US army has successfully hit an unmanned target using a high-powered laser mounted on a Apache AH-64 helicopter.
A dossier of files kept secret by the UK government for almost 50 years has finally been released for the first time.
NASA is about to announce it has uncovered alien life, according to mysterious hacking group Anonymous.