Australia: 'Average-sized' tiger shark caught after swallowing hammerhead whole
Tiger shark measuring 13ft in length was caught off Australia's Tweed Coast.
Where do dreams come from? Scientists might have worked it out
Experiments on epilepsy patients shed light on where our dreams come from
Pork Fest 750BC: Unique 'bring your own pig' festival discovered in Welsh Iron Age settlement
Unusual ritual feast saw Iron Age settlers in Llanmaes eat only the right forelimb of pigs.
Six UK butterfly species to go extinct by 2050 from drought unless greenhouse emissions curbed
Ringlet, speckled wood, large skipper, large white, small white and green-veined white at risk of collapse.
Giant spider webs take over Texas town in 'spooky' case where arachnids work together
Trees in Rowlett, Dallas, covered in 40ft spiderwebs.
Perseids 2015: This year's meteor shower to be especially impressive, scientists says
One of the biggest meteor showers of the year will peak over coming days.
Water on Mars: Last lake to exist on surface of red planet discovered
Ancient lake on Mars was probably habitable throughout its existence.
Jerusalem: 2,000-year-old ritual bath with 'encoded message' discovered in cave [Photos]
Archaeologists find ritual bath covered with mysterious symbols and inscriptions in Arnona.
Perseids meteor shower 2015: Where to watch peak of cosmic light show display in UK
Best places to watch the Perseids 2015 in cities across the UK.
Malaysia Airlines MH370: Reunion Island debris will offer no clues to crash site of missing plane
Search for missing Malaysia Airlines flight could take several more years, expert says.
How the universe could be one big computer simulation created by another advanced civilisation
Science writer Robert Lawrence Kuhn explains the theory that we are living in an artificial reality.
Nasa forced to pay Russia $490m for a lift to the ISS
Nasa paying Russian space agency to transport US astronauts to International Space Station
Nepal earthquake could have been far deadlier - and another megathrust quake is on its way
Scientists find Nepal earthquake only released stress on a portion of the Main Himalayan Thrust fault.
Deadly Brazilian frog that can kill 80 men with one gram of venom discovered
Brazilian frogs discovered that are more deadly than pit vipers.
Simulation showing Milky Way-esque galaxy in early universe could prove cold dark matter theory
Large disk galaxies may have existed 500 million years after Big Bang.
China: 213 dinosaur eggs and a complete skeleton seized by police
Fossilised dinosaur eggs seized by Heyuan City police following illegal excavations.
Weird picture shows dark side of the moon from Nasa's DSCOVR satellite
Nasa Deep Space Climate Observatory satellite shows far side of the Moon as it moves in front of Earth.
Wasp masters turn spiders into zombies to act as their web-building slaves
Parasitic Reclinervellus nielseni wasps rob hosts of free will to make their nurseries for them.
Snow leopards no better adapted to living at high altitude than your everyday moggy
Mystery of how snow leopards live in Himalaya Mountains remains.
Mini black holes from LHC are not going to bring about the collapse of the universe
Scientist debunks claim that mini black hole could trigger universe collapse through chain reaction.
Secrets of white sea cucumber to be revealed following genetic breakthrough
Chinese scientists find way to mass produce white sea cucumbers.
Evolution of morality explains why we turn a blind eye to atrocities happening abroad
Study finds we relax our moral standards for events far away, long ago or sanctioned by influential people.
Eating spicy food regularly could reduce risk of death by 14%
Observation study suggests link between spicy food and reduced risk of death.
Korean pear juice before alcohol could prevent hangovers by reducing blood acetaldehyde levels
Initial research suggests pear juice acts on enzymes involved in alcohol metabolism and absorption.
Bonobos communicate like babies through contextualised 'peeps' suggesting evolutionary transition
Human infants communicate in the same way as our closest living relatives, bonobos.
Siberia: Ancient rock art by mystery civilisation discovered on Ukok Plateau
Russian scientists discover the oldest rock carving ever to be find in Siberia.
Bronx Legionnaires' disease outbreak: Death toll reaches 7 with 81 diagnosed
New York City health officials confirm Legionnaires' death toll has risen to seven.
Cern developing 'mini LHC' particle accelerator to treat cancer
Miniature linear accelerator to be used in hospitals to treat cancer.
Reversing ocean acidification with aggressive CO2 removal will take more than 700 years
Dire outlook for oceans as study finds even the most aggressive reversal methods will take centuries.
Rangeomorph reproduction: 'First animals' sent advance party to colonise new areas
Earliest example of reproduction in a complex organism discovered in 565-million-year-old fossil.