Megalodon shark tooth discovered in Croatia [Photos]
Prehistoric monster shark tooth discovered by Croatian man on banks of the Kupa river.
Subatomic particles that appear to defy Standard Model points to undiscovered forces
Physicists find leptons treated in 'strange ways' not predicted by Standard Model.
Knut the polar bear: mysterious death finally explained by scientists
Berlin's famous polar bear died from autoimmune disease of the brain – and hid his symptoms.
Tsunami in Mediterranean would turn parts of Crete into an Atlantis
Once-a-century giant wave would threaten 130 million people living on the coast.
40% of American Catholics unaware of Pope Francis's global warming warning
Survey shows Americans' low awareness of Pope's position on global warming.
Chinese Air Force creates macaque army to protect its jets from birds
China training macaques and falcons to dismantle bird nests in trees.
What would aliens on Mars and Titan be like?
Scientist says Earth's most extreme habitats could help predict what extraterrestrial life would be like.
Kazakhstan geoglyphs: Solving the mystery of the huge structures created by ancient civilization
Experts call for more research into the Kazakhstan geoglyphs discovered on Google Earth last year.
Head transplant: Donations pour in for Sergio Canavero's controversial surgery
Canavero's patient Valery Spiridonov says they have received several offers to fund head transplant surgery.
Stephen Hawking and information paradox: Black holes could be passages to other universes [Video]
Hawking offers solution to information paradox that plagues modern physics.
Expedition to ancient Antikythera wreck to reveal more mysteries of 2,000-year-old shipwreck
Divers to revisit wreckage off island of Antikythera with advanced technology to aid their search.
Deforestation: Area of tropical forest the size of India to be cleared by 2050
CGD report finds pattern of deforestation 'more dire' than previously thought.
Poland: Drought leads to discovery of WWII Soviet plane and skeletons of crew
Falling water levels uncover remains of Second World War Russian plane in Kamion.
Gloomy octopuses seen throwing stuff at each other
Researchers unsure if action is an aggressive warning or accidental.
Software to switch off cancer: Code discovered that can reprogramme diseased cells
Scientists might have found a way to turn cancerous cells back into normal ones.
German wasps on a bender: Venomous insects drunk on fermented fruit invade UK summer barbecues
Mild winter and dry spring leading to influx of bored German wasps with painful sting.
Israel: Stone Age Natufians pounded huge boulder mortars as 'church bells' to signal funerals
Ancient Natufian culture signalled funerals to neighbouring communities with huge mortar 'gong'.
Couples that split childcare duties have better sex lives and relationships
Relationship and sex quality drop when women are responsible for most or all of the childcare, according to a new study.
Oahu: The Hawaiian Island that is dissolving from within
Eventually Oahu's Koolau and Waianae mountains will be flat.
Magnetic wormhole created in laboratory
Scientists generate a wormhole that sends a magnetic field from one point in space to another.
Prehistoric sea that once covered central Australia could return to tear country in two
Ancient Eromanga Basin could wreak havoc in Australia through climate change, asteroid strike or another ice age.
Ancient alien civilisation didn't drive giant all-terrain cars across Turkey's Phrygia Valley
Scientists say groove-like markings in the Phrygian Valley are agricultural furrows.
Astronomers in Australia to attempt world record for most people stargazing in one place
More than 3,000 astronomers to gather in Canberra in Guinness World Record attempt.
Monsanto is not the devil: GM most critical technology to feed growing population
Molecular biologist Nina Fedoroff says perception of genetic modification is hindering progress.
Mankind's wickedly efficient killing technology has made us 'super predators'
Humans kill large land carnivores nine times faster than they kill each other in the wild.
Giant house spiders the size of mice 'invading' UK homes following warm wet summer
Spider expert says giant house spiders are particularly big this year.
Ashley Madison cheating website hack: Are we supposed to be in monogamous relationships?
Both monogamy and polygamy are natural for humans.
Climate change: China's carbon emissions have been overestimated for over 10 years
Country's reputation for poor carbon emission levels not entirely desired.
Germany: Earliest case of leukaemia discovered in 7,000-year-old skeleton
Early Neolithic skeleton of 30-40-yearold female could be first case of leukaemia.
Men who have condom-related erection problems more likely to have erection problems generally
CAEP remains an under-researched topic
