Harsh world makes kids' chromosomes look middle-aged
By the age of 9, children growing up in tough environments can have telomeres that look like they belong to someone several decades older
Almost half of new electricity is now clean and green
Investment in clean energy has fallen but nevertheless renewables like solar and wind are going global
Robot soldier could help save human comrades' lives
Relax, puny humans – it may look like a prototype Terminator, but this android has come to help. Its job is to test equipment for the UK's armed forces
Where am I? Voyager on the solar system's frontier
NASA says our furthest emissary has at last broken though into interstellar space – but Voyager's dispatches reveal that nothing is simple at the outer limits
Flimsy rocks allowed Earth's plates to start moving
Earth is the only planet whose surface is known to be divided into shifting tectonic plates. An analysis of fragile rock may explain why
The LADEE killers: NASA ready to crash probe into moon
The LADEE spacecraft will intentionally smash into the far side of the moon, and NASA wants you to help guess when and where the lunar probe will fall
Best dark matter signal yet hints at heftier particles
Gamma rays from the Milky Way's middle are increasingly likely to be signs of dark matter, and hints of the same signal from dwarf galaxies boost the case
Push-button orgasm isn't worth $6 million to medicine
The doctor who discovered that a spinal implant meant for pain relief can also trigger orgasms says that we are unlikely to see an orgasmatron any time soon
NASA's Russia boycott may revitalise US space leadership
Cooling NASA-Russia ties is a familiar political game, but it may spark talk on reasserting US leadership in space, says security expert Joan Johnson-Freese
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