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
Cutting back on alcohol has real health benefits, but total abstinence isn't for everyone
Depression, diabetes and scarlet fever amongst the illnesses that get people turning to Google
Expert warns that misuse of antibiotics means 50/50 chance current drugs could be lost
New study shows emergency admissions caused by alcohol top 250,000 a year in England
Falcon-9 rockets developed by Elon Musk's company could revolutionise space exploration
Family believes a rodent 'gnawed' the 75-year-old sheltered housing tenant
As many as 90 per cent of cancers result from environmental factors such as smoking and pollution
The idea behind a lightsaber is simple genius – surely physicists must be smart enough to produce one