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“The Doomsday Clock has been set at a bleak 90 seconds to midnight”
Night as a space of fear and imagination
A crack-of-dawn start is one way to avoid the crowds. But there’s another option that doesn’t need an alarm clock.
11 AUGUST
I f you follow the river uphill from ...
Of the hundreds of thousands of asteroids in our solar system, it is all too feasible that one could strike Earth. If scientists discover this is likely to happen, what are our options for defending ourselves – and who will make the key decisions? Tomas Weber reports
Light pollution is as big a threat to our planet as sewage or plastic, says dark sky officer Dani Robertson
