Exoplanet hunt faces conundrum as count nears 1000
As astronomers close in on the milestone of 1000 confirmed alien worlds, deciding when to award the title is proving troublesome
Mice get replacement glands, grown from scratch
Tear and salivary glands were grown from embryonic stem cells and transplanted into adult mice, paving the way for similar human treatments in the future
Multiple personalities: Takedown of a diagnosis
The idea that sadistic childhood abuse could lead to multiple personality disorder has seized the public imagination, but could it be a diagnostic fad?
UK will launch its own cyberattacks, not just defend
Defence secretary Philip Hammond announced plans to hire an army of cyber-reservists that will help develop a "strike capability" for the first time
Books and apps make animal-spotting easier than ever
From whizzy guides to funky apps, it's an exciting time for amateur and professional naturalists alike
Deadly lake turns animals into statues
The highly caustic Lake Natron in Tanzania kills most animals unlucky enough to enter the water – and calcifies them
Hunting quantum gravity in the big bang's echoes
Particles of gravity could have their existence revealed in the cosmic microwave background, thanks to primordial ripples in space time
Infertile woman gives birth after boost to ovaries
A new fertility treatment awakens dormant follicles in women who have stopped menstruating, with the first test resulting in the birth of a baby boy
SpaceX gets a rival – and tests novel reusable rocket
Orbital Sciences has docked a craft with the space station and a SpaceX rocket failed a reusability test – but could still help cut waste from space flight
IPCC digested: Just leave the fossil fuels underground
Amid all the discussion of the details of the latest IPCC report, we must not forget the bottom line
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