Emma Ogao, ABC News

Death of world’s ‘saddest’ elephant shines light on zoo animal welfare

Josefiel Rivera/SOPA Images/LightRocket via Getty Images(LONDON) -- Mali, an elephant dubbed as the world's "saddest" has...

‘Double joy’: Rare elephant twins born in Kenya’s Samburu National Reserve

@gilbert_sabinga/Save the Elephants(LONDON) -- An elephant in Kenya has given birth to a rare set of...

Britain’s ‘loneliest’ sheep rescued from remote Scottish cliff

Nigel Hicks/Getty Images (LONDON) -- Britain's so-called "loneliest sheep" has been rescued after being stranded for...

Sudan now one of the ‘worst humanitarian nightmares in recent history’

AFP via Getty Images(LONDON) -- United Nations Humanitarian and Emergency Relief Chief Martin Griffiths has said...

Icelandic women striking for gender pay equality

Tetra Images/Getty Images(LONDON) -- Tens of thousands of women in Iceland, including the prime minister, are...

Cats among mammals that can emit fluorescence, new study finds

Jacqueline Anders/Getty Images (LONDON) -- Over the last few years, fluorescence under ultraviolet light has been...

British Museum seeks public help in finding stolen artefacts

Darrin Klimek/Getty Images(LONDON) -- Please return if found: Hundreds of missing artefacts formerly housed in a...

Africa’s white rhino population rebounds for 1st time in a decade, new figures show

Martin Harvey/Getty Images(LONDON) -- African rhino populations are increasing despite poaching and habitat loss, new figures...

Three South African Navy personnel killed in submarine incident

pawel.gaul/Getty Images(LONDON) -- Three South African Navy personnel have been pronounced dead, and one senior officer...

Archaeologists discover 1,000-year-old mummy in Peru

omersukrugoksu/Getty Images(LONDON) -- Archaeologists have discovered a 1,000-year-old mummy -- believed to be of an adult...