Natural WondersThe deep ocean photographer that captured a 'living fossil'In 2010 Laurent Ballesta stared directly into the eyes of a creature once thought to be extinct – and took the first ever photograph of a living coelacanth.Green GetawaysHiking the world's largest urban forestAfter the Tijuca forest was decimated by colonial plantations, an ambitious rewilding programme is now aiming to ensure the survival of Rio de Janeiro's ancient rainforest.TravelThe Amazonian town putting world cities to shamePuerto Nariño is a tranquil experiment in sustainable living where motor vehicles are banned and the streets are as clean as Copenhagen's.TravelWorld of WonderNew Zealand's city built on a labyrinth of lava cavesAuckland is the largest city in New Zealand, and beneath it lies a sprawling network of caves – now scientists are trying to map them.FutureWatchNasa reveals giant lava lake on Jupiter's volcanic moonNew research suggests the fiery moon Io has been spewing lava for billions of years.Natural wondersListen to world's first 'chat' between humans and whalesScientists had a conversation with Twain, the humpback whale. It's the first ever recorded chat of its kind.Natural wondersEngland's 'largest gold nugget' discoveredA metal detectorist has uncovered something pretty unexpected and highly valuable on farmland in rural England.Natural wondersPhotos from the deep sea show 'exciting' new speciesScientists exploring the ocean off the New Zealand coast believe they have discovered 100 new marine species.Natural wondersMesmerising life in the deep seaExplore depths where volcanic fluids meet near-freezing seawater, creating a dynamic clash below.Natural wondersFlirt, date, divorce: The robust romantic lives of birdsA look at their love lives reveals a unique courtship and the reality of separation.World of wondersRare footage shows life through the eyes of polar bearsScientists attached cameras to polar bears to learn how they adapt to a warming planet and found worrying trends.World of wondersPhotographer tells BBC how he captured polar bear photoThe poignant image of a snoozing polar bear won the Wildlife Photographer of the Year People's Choice Award.World of wondersSearching for gold in AlaskaQasa Alom visits Alaska where he searches for gold with a local gold prospector.World of wondersThe monster volcanoes hidden beneath ItalyYou know about Mount Vesuvius, but there's a nearby 'supervolcano' with even more immense scale and power.World of wondersThe Greek Island of geometrical wondersPyrgi is a puzzling medieval village in the middle of the Mediterranean island of Chios, in Greece.World of wondersThe church built for all religionsA journey to the hidden church in Slovenia from WWI that transformed into a symbol of peace.World of wondersThe Mediterranean’s hidden wondersA look at the fascinating hidden world of the Mediterranean depths.World of wondersEarth's spectacular and remote 'capital' of lightningWith storms occurring between 140 to 160 nights a year, it's no wonder the area is a world record holder.World of wondersThe 'alien' lifeforms discovered in the deep oceanOur deep oceans are offering up the chance to find new life, but not as we know it.World of wondersThe river of iron that's on the wrong planetA wondrous red river in southern Spain has become a laboratory for Nasa operations aimed at exploring Mars.World of wondersŠkocjan Caves, the largest underground chambers in EuropeHome of the human fish, a curious animal that can live 100 years.World of wondersThe 5,000-year-old tree that holds clues to life and deathIn the Valdivian rainforest of Chile, an ancient tree carries answers to the future of climate.World of wondersChina's huge and mysterious Xiaozhai Tiankeng sinkholeChina's Fengjie County contains a natural wonder that has fascinated experts for decades.World of wondersJapan's mysterious 'Dragon Eye' lakeWorld of wondersLatest storiesThe wildlife corridors bringing grizzlies back to the Rocky MountainsTo thrive, bears and other wild animals need to roam widely between habitats. Wildlife tunnels, trails and bridges can help – but are they enough?FutureWorld's most expensive feather sold at auctionThe feather, from now extinct New Zealand huia bird, broke the previous record by more than four times.AsiaNature trail to 'open up conversations about death'The free interactive trail has opened at the Dorothy House site in Winsley, Wiltshire.How climate action hubs are driving local changeMore funding has been announced to extend the community hubs to 20 locations across Scotland.Scotland PoliticsDorset Big Picture: Wednesday's image of the countyShowcasing the best images sent to us from around Dorset.DorsetHampshire & Isle of Wight: Wednesday's Big PictureShowcasing the best images sent to us from around Hampshire & Isle of Wight.In PicturesOxfordshire Big Picture: Wednesday's image of the countyShowcasing the best images sent to us from around Oxfordshire.OxfordBerkshire Big Picture: Wednesday's image of the countyShowcasing the best images sent to us from around Berkshire.BerkshireWhy are there so many Asian hornets?The National Bee Unit destroyed 72 nests last year, and there have already been sightings this year.KentGreen GetawaysThe Japanese town where you can sleep in a castleIn Ozu, you can stay at a hotel dispersed across an ancient castle, samurai residences and old merchant homes, while supporting the town's award-winning model of sustainable tourism.TravelWorld of Wonder'The most beautiful river in the world'Every year, a Colombian waterway transforms into a rushing rainbow.NatureRare snow leopard cubs debut at Bronx ZooThe cubs, one male and one female, were born this summer to mother, Dariga, and father, Naltar.US & CanadaOsprey chick takes to the air for inaugural flightGilsland is one of 11 osprey chicks to fledge successfully this year in Northumberland.Tyne & WearLand artist turns nature into visual masterpiecesWinston Plowes says of his work that "anybody can do this - art is for everyone".Leeds & West YorkshireWatch ‘epic’ moment three whales jump in unisonA man in the US has filmed three humpback whales breaching in almost perfect synchronisation off the coast of Massachusetts.US & CanadaMore storiesCCTV to become mandatory in Wales' slaughterhousesAll areas where animals are unloaded, kept, handled and killed must soon have CCTV cameras. WalesIsle of Wight-size iceberg breaks from AntarcticaAnother big iceberg breaks from in front of the UK's Halley research base - the third in three years.Science & EnvironmentChelsea show's 'most biodiverse' garden wins goldThe Size of Wales garden is thought to be the most biodiverse in the Chelsea Flower Show's history.WalesGrandad loses thumb defending baby from dog attackPolice say the family's spaniel attacked the baby and the child's grandfather intervened.South YorkshireExotic animal escapes from Kent conservation centreHemsley Conservation Centre says one of its tayras, which is part of the weasel family, has escaped.KentTruro's famous hedgehog visits Chelsea Flower showDenzil the hedgehog left Cornwall on 13 May to travel to London.Cornwall