Measuring time using the Earth’s rotation was always an imprecise business, so now we do it using the ‘tick’ of an atom

EXPLORING THE SOUTH ATLANTIC AS A CELESTIAL NAVIGATOR TURNS INTO A THREE-YEAR QUEST FOR A LITTLE-VISITED ARCHIPELAGO, BY KATE SCHNIPPERING

For those dreaming of the joys of owning a yacht, Nick Ridley offers encouragement as well as a look at the harsher reality of financing your dreams

THE BELLA VISTA BASS

IF OCEANS ARE THE FINAL FRONTIER, WILL THE ELON MUSK AND JEFF BEZOS SPACE RACE BE A GOOD OR BAD THING FOR OFFSHORE SAILORS?

Tony Moss and his wife Marike cross the North Sea to sail around Britain anticlockwise, braving the Scottish summer along the way