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Solving challenges like climate change not only requires ambitious targets, but also an honest appraisal of uncertainty and possible failure ...

Events across the globe have conspired to create a sense of chaos, but many fields of research can help us make sense of the world, says Chanda Prescod-Weinstein ...

We assembled a crack team to create a record-breaking snowflake. Along the way, we learned just how impressive the natural kind really are ...

The discovery of ancient cities in Asia and the Americas point to earlier bouts of social and climatic upheavals. The good news is that humanity survived, says Annalee Newitz ...

Featuring everything from eggnog to uranium oxide, these 12 brain-twisting conundrums will get you in the festive spirit and test your scientific knowledge ...

They were loved by Charles Darwin, they build brilliantly bad nests and they even produce a kind of "milk". Surely, these facts are more than enough to foster a love for the urban pigeon ...

Rather than getting its water from impacts, our planet may have drawn in water vapour after the sun boiled it off early icy asteroids ...

The unusual properties of gallium have helped scientists to create delicate moulds that can be used to grow cultures of human cells resembling tiny blood vessels ...

Hope for a much-needed treatment for the common pregnancy complication pre-eclampsia has been raised by a successful test of an mRNA therapy in mice ...

From the first private moon landing to the first civilian spacewalk, Elon Musk's SpaceX helped drive a big year for private space flight ...