Best photos of the day: 15 May 2014.
Tropical cyclones moving further north and south at average rate of 35 miles per decade
Nasa satellite data suggests el nino is developing in equatorial Pacific Ocean.
Two male penguins adopt chick at Wingham Wildlife Park.
Planet GU Psc b's distance from its star is the most for any planet that has ever been discovered.
Australian film crew capture two fast-moving objects emerging from nearby trees.
Ancient sperm found in Australia's Riversleigh World Heritage Fossil Site.
Keen UFO watcher Scott Waring has spotted a UFO orbiting Mars in Curiosity Rover photographs.
BP Angola engineers stumble on four carcasses described as "unprecedented".
Researchers say no signs of ocean-borne radiation in west coast seaweed
Arnold van Huis, an entomologist at Wageningen University, is organising a conference on eating insects.
Utrecht University researchers suggest an 'impact winter' wiped out the dinosaurs after a six-mile wide asteroid hit Earth.
The Russian deputy PM has announced a ban on US imports of rocket engines, the use of Russian soil for GPS and has pulled out of the International Space Station.
Man in China falls ill after taking radioactive pellet home
Analysis of geological material suggests dates of reported asteroid collision cannot explain Clovis and mammoth extinctions.
Would-be refugee demands asylum because south Pacific island will be underwater by 2100
Nasa astronauts start training for mission similar to storyline of Hollywood blockbuster
Nasa scientists warn point of no return reached over breakup of massive ice sheet
Skeleton of metre-tall extinct Great auk has been discovered at the Scottish Seabird Centre.
Cuadrilla to apply for planning permission to frack two Lancashire sites.
Rocket tourists to get 50 miles above sea level, 12 miles short of Karman Line boundary of outer space
Scientists discover new species of plant that eats nickel in the Philippines.
Scientists say the musky rat-kangaroo cannot survive outside tropical rainforest.
A robot arm developed in Switzerland could be used in the Clean- mE project to capture space debris.
A newly-discovered active volcano will add to effects of global warming if it erupts.
Scientists say Earth 'rebounding' at exceptionally fast rate because of global warming
Cities and national parks across the UK to be opened up for oil and gas exploration under government plans.
Swedish hunters destroy female bear and its three cubs after they attacked an 80-year-old fisherman.
Over 30 'deadly' snakes capable of killing small animals spotted near Regent's canal.
Heat of El Niño could make Hodgson's men sweat more than Messi or Ronaldo.