ExtinctionThe cute flying fox that's gone foreverThe Little Mariana fruit bat slipped into oblivion before scientists even had the chance to learn about its biology or behaviour.FutureWhy is the world getting warmer?Human activities are causing world temperatures to rise, posing serious threats to people and nature.Science & EnvironmentWorld's first IVF rhino pregnancy 'could save species'A fertility breakthrough offers hope for saving the northern white rhino from extinction.Science & EnvironmentMysterious plants and fungi named new to scienceKew scientists discovered nearly 100 new plants and fungi last year - but some may already be extinct.Science & EnvironmentMore than 800 new species described by museumThe Natural History Museum says new species include an ancient dinosaur and worms from the ocean.LondonVictorian traded Aboriginal remains for accoladesThe trade in human remains was against a backdrop of "state-sponsored violence", a study says.CambridgeshireFirst-ever images prove 'lost echidna' not extinctSir David Attenborough "delighted" as mammal named after him is filmed for the first time.Science & EnvironmentMany flowering plants threatened by extinctionAlmost half the world's known flowering plants could be threatened by extinction, scientists warn.Science & EnvironmentAlmost half of animals in decline, research showsA study led by Queen's University Belfast finds 48% of species are undergoing population declines.Northern Ireland