Brownsea Island: Leprosy in Britain's red squirrels to be investigated in conservation effort
Scientists in Dorset are investigating leprosy transmission in the protected species.
Atopodentatus unicus: Hammerhead sea monster was world's first vegetarian reptile
'Strangely toothed' creature that lived 242 million years ago was first herbivorous reptile.
Junior doctor strike: Jeremy Hunt's weekend hospital death rate 'spike' does not exist
Fewer and more serious admissions over the weekend account for rise in weekend deaths
Sanctuary of ancient Egyptian pharaoh Nectanebo I discovered in Heliopolis
Archaeologists uncover evidence for 2,400-year-old sanctuary of Nectanebo I.
Da Vinci's DNA: Leonardo Project to reveal secrets of Renaissance master
Leonardo Project sets out to produce in-depth genetic profile of Da Vinci.
Transit of Mercury 2016: When is it and how do you watch the rare astronomical phenomena?
Mercury will transit across the Sun on 9 May and will be visible from the western hemisphere.
Ketamine: Antidepressant chemical identified in 'major breakthrough' for drug development
Substance in ketamine responsible for antidepressant properties identified paving way for more effective drugs.
Planet 9: If it exists, how did it end up at the edge of our Solar System?
Mystery of the hypothetical Planet 9 baffles scientists as they explore scenarios that support theory that it is real
Eta Aquarids 2016: Where to watch meteor shower from Halley's Comet
Eta Aquarids to peak on 5 May with up to 60 meteors per hour visible from Southern Hemisphere.
Long-lost wreckage of Captain Cook's HMS Endeavour discovered after 250 years?
Archaeologists are 80-100% sure they've found the ship Captain Cook sailed to Australia in.
Ancient DNA reveals ancestry and migration history of modern Europeans
Modern European ancestry traced back to early group of humans living in northwest of continent.
Pesticides spread by airplane linked to 25% increase in autism risk
Increased autism rate observed among children living near areas where aerial pesticides are used.
Apocalypse soon? Five most catastrophic risks to humanity identified
AI, supervolcanoes and pandemics all listed as potential catastrophic threats to mankind.
Taiwan: 4,800-year-old fossil of mother holding her infant discovered
Fossil of mother cradling a baby discovered by archaeologists in Taichung region of Taiwan.
When the hunters were hunted: Hyenas and giant baboons feasted on our ancestors
Bone found in Morocco is first evidence hominins were food resource for large carnivores.
Brainless slime that 'learns' raises major questions about evolution
Scientists discover a type of slime mould that displays 'an unmistakable form of learning'.
Glow in the dark sharks: How catsharks use biofluorescence to communicate in the deep ocean
'Shark eye' camera allows scientists to understand how catsharks see one another in deep water.
Scientists working to save millions of chicks from being shredded to death
German team looking to establish sex of chicks before they hatch to spare them painful death if they are male.
Neil deGrasse Tyson: Chances of universe being computer simulation 'may be very high'
According to Tyson, we should not dismiss the idea our universe is a simulation created by an advanced civilisation.
Mystery exodus of dinosaurs from Europe plotted by scientists
Researchers show movement of dinosaurs across the globe during Mesozoic Era.
Chernobyl disaster: How wildlife in the exclusion zone is really faring after 30 years of radiation exposure
Timothy Mousseau discusses the impact that the Chernobyl nuclear disaster has had on the area's wildlife.
Nasa pays tribute to Prince with purple Crab Nebula following singer's death
Space agency tweets picture of purple nebula in honour of Prince, who died at his home aged 57.
Earth Day 2016: Theme, events and everything you need to know about the global campaign
Earth Day 2016 marked by pledge to plant 7.8 billion trees – one for each person on the planet.
Tiny titanosaur: Fossil of baby Rapetosaurus reveals how world's biggest dinosaurs reared young
Fossil of infant Rapetosaurus krausei shows giant dinosaurs were born with adult proportions.
Periods in space: What's the best way for astronauts to deal with menstruation?
Scientists examine the options for female astronauts and the issue of menstruation in space.
Lupus: Defects in body's dead cell digestion system linked to autoimmune disease
Defects in process that gets rid of dead cells leads to lupus-like disease in mice.
Origin of Yiddish: Iranian and Ashkenazic Jews created 'secret language' for trading along Silk Road
DNA 'GPS' allows scientists to pinpoint the origin of Yiddish to Iranian and Ashkenazic Jews.
UK dementia cases have fallen by 20% since 1990s thanks to lower rates in men
Study suggests 74,000 men and 135,000 women are diagnosed with dementia in the UK every year.
Alzheimer's symptoms reversed in mice using plague-digesting protein injection
Potential breakthrough for Alzheimer's treatment announced by Glasgow scientists.
Age you lose your virginity is influenced by your genes
Genetic differences play a role in the age people first have sex.