Spy program shows just how well US knows its people
The US government is spying on its own citizens' phone calls and internet data. So what can these huge datasets tell them about us?
Tendrils of death reach into a star nursery
Wisps of matter from an exploded star float through a nebula glowing with newborns in the latest view from a pair of NASA space telescopes
Astrophile: The supernova that blew up a galaxy
Some juvenile galaxies in the early universe may have grown abnormally big, finally forming gigantic stars that exploded to create massive black holes
Do glowing house plants take gene tinkering too far?
People backing a crowd-funded project to genetically engineer a glowing plant will receive its seeds. Is it setting a dangerous precedent or harmless fun?
Religious faith can help believers cope with stress ? now it seems that trusting in science might do the same for non-believers
Sublime images to inspire an off-Earth generation
A new London exhibition of iconic astronomy images gives you a giant window on Mars ? and then takes you far beyond in time and space
Nuclear bomb tests reveal brain regeneration in humans
Carbon dating brain cells provides conclusive evidence that part of the adult human brain constantly renews itself ? and that this neurogenesis persists in old age
Obese black holes outshone stars in earliest galaxies
Collapsing gas clouds in the very young universe could have formed many "obese" black holes, pouring out energy that is still visible today
Feedback: Tumble dryer in the groove
Music to wash clothes by, laundry emergencies, Dickkopf determinism, and more
Elderly suns rip their closest planets to shreds
A survey of planet-hosting stars offers some of the first real-world evidence that ageing suns shred inner planets, offering a clue to Earth's eventual fate
Death-defying comet wags its tail during solar embrace
Watch the wiggling tail of sun-grazing comet Lovejoy give unprecedented insight into the solar magnetic field
Dust devils around stars may help planets grow
A vortex seen in a disc around a young star may solve the mystery of how planets grow from grains of dust without first spiralling in to destruction
UV rays in your fridge could keep strawberries perfect
Future fridges could have drawers where soft fruit is kept mould-free for days by ultraviolet LEDs that turn on when the door is shut
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