Ultima Thule is a snowman-shaped rock covered in weird ice
The New Horizons spacecraft just flew past a distant rock called MU69 or Ultima Thule that looks like a snowman - and it may have exotic ices on its surface
Surrogacy should be a relationship, not a transaction
UK surrogates are speaking out against a move to pay women a fee for carrying someone else's child, says Natalie Smith
AI could make it impossible for artists and novelists to make a living
Copyright protections were originally designed to incentivise creators and allow them to profit from their work, but what happens when the artist is a machine?
A New Year vow for our leaders? Start taking climate change seriously
Never has there been a more important time for politicians to move beyond paying lip service to the fight against global warming, says Owen Gaffney
Green light implant relieves urinary incontinence in rats
A device that modulates nerve signals by shining green light on them has been found to restore bladder control in rats that urinate too often
Crashing tidal waves may lurk beneath the surface of icy moons
Enceladus and Europa both have liquid oceans under their shells of ice, and they may be full of tidal waves bouncing energy between their cores and surfaces
Is eating cheese as bad for animals and the planet as eating meat?
Bravo for having given up eating meat! But in the ninth of our 12 Days of Culture, might we suggest giving up cheese and going back to chicken – for ethical reasons?
Black-haired monkeys in Costa Rica are suddenly turning blonde
The howler monkeys of Costa Rica normally have black coats, but over the last 20 years some have turned yellow – a change too fast to be explained by evolution
A scientific guide to the resolutions that are really worth the effort
Being a better you needn't be as hard as you think. From more sleep, to snacking smarter and ditching the gym - we put 10 New Year's resolutions to the test
Distant space rock Ultima Thule looks like a spinning bowling pin
NASA’s New Horizons probe has sent back the first blurry pictures of the most distant object we’ve ever visited