Toddler died of sepsis after helpline staff told his mother 'it's nothing serious'
With a leg-span of almost four inches, Australian arachnid is one of largest ever caught
Around £3bn pledged to help eradicate one of the deadliest diseases in the world
One third of all plastic ends up in the world's ecosystems, but what can we do?
Team hails 'successful' procedure on monkey and sets deadline for human operation
Astronomers detect a massive 'new' planet far beyond Neptune's orbit
The best way to see Mercury, Venus, Mars, Jupiter and Saturn as they all appear in the night sky
Research shows the superhero would need huge hands and feet to carry out his daredevil feats
Russian scientists argue 1967 space ban may have to be lifted if the Earth is at risk from a major collision
More than 6,500 people are waiting for an organ transplant
This 18 January will be the saddest date on the calendar, says tradition, but is there any scientific reason why?
'Assassin' is 570 billion times brighter than the Sun and has left scientists baffled
News comes hours after World Health Organization declares West Africa free of virus
How consciousness arises in the brain is one of the most perplexing questions in neuroscience
'This is a big deal,' say geologists. 'We could be looking at a step-change from one world to another'
Critics not impressed over call for men to drink no more than women
Experts suggest star clumps could harbour networks of civilisations
Discovery by Nasa space telescope could help explain how holes regulate size of galaxies
Rhian Lewis says being able to see again after digital implant 'feels like Christmas Day'
Scientists in Japan, Russia and the US praised for finding super-heavy elements which fill out final row