Compare the meerkats: Females literally weigh each other up in fight for title of reproductive queen
Female meerkats eat more when younger rivals gain weight and threaten social hierarchy.
Nasa to test first inflatable habitat on the ISS
Bigelow Expandable Activity Module will be inflated in first step towards deep-space habitats.
Monkeys in Africa feasting on bats filmed for the first time
Monkeys observed eating bats raises concerns about disease transmission pathways.
Game of Thrones: Bran, Hodor and the theoretical physics of time travel
Theoretical physicist says Bran's time travelling in Game of Thrones is 'utter craziness'.
Genetically modified microalgae could become sun-powered drug production factories
Genetically modified microalgae can produce wide range of chemicals, including cancer treatments.
Burning all of Earth's fossil fuels would lead to a 17C rise in Arctic temperatures by 2300
Releasing five trillion tonnes of CO2 emissions would result in global warming 'more profound' than estimated.
Solar superflares bombarding Earth 4 billion years ago provided conditions right for life
Big solar storms from young Sun provided Earth with conditions conducive for life to flourish.
Top 10 new species of 2016: Ugly anglerfish, giant tortoise and early human make annual list
SUNY College of Environmental Science and Forestry scientists reveal top new discoveries of last 12 months.
Did T-Rex have lips? Dinosaurs were not so ferocious-looking after all, says palaeontologist
Palaeontologist argues dinosaurs would have had scaly lips and gums covering their teeth.
Florida: Monster man-eating Nile crocodiles have potential to take hold as invasive species
Three Nile crocodiles have been found in Florida showing species can survive in US state.
Slumbering Giant: North Korea's Mount Paektu volcano seen from space
Nasa Earth Observatory releases image of North Korea's active volcano Mount Paektu.
Alien intelligence: Life in universe may be abundant – but will it ever communicate with us?
Understanding alien intelligence will be key to communicating with any advanced civilisations out there.
Mega-tsunamis on Mars: Meteorite strikes caused 120m waves to inundate Red Planet
Evidence of two mega-tsunamis on Mars three million years apart discovered by scientists.
Grolar bears: Climate change upping number of grizzly and polar bear hybrid 'pizzlys'
Hunter in Canada's Arctic kills grizzly and polar bear cross as experts say hybrid will become increasingly common.
Nasa: Europa's hidden ocean could have right chemistry to host alien life
Jupiter's moon Europa could have Earth-like chemical balance necessary for life.
Large fireball filmed burning across Northeastern US from police dashcam
Meteor streaks across sky in north-eastern US and Canada, with almost 700 reports to American Meteor Society.
Eruption of Mount Vesuvius led to 'complete overhaul' of Roman water supply in Neapolis
Volcanic eruption of 79 AD that destroyed Pompeii led to quick overhaul of water distribution systems.
Massive asteroid struck Earth 3.4 billion years ago 'significantly altering planet's evolution'
Asteroid up to 18 miles in diameter would have triggered major earthquakes, tsunamis and tectonic shifts.
First US penis transplant successfully carried out on Thomas Manning
Massachusetts surgeons say 15-hour penis transplant following amputation was a success.
Rare beaked whale with 2 extra teeth baffles scientists in Australia
Hector's beaked whale is only the third specimen in the South Australia Museum's collection.
Weird jelly in shark organ brings scientists step closer to understanding their electric senses
Jelly in canal of ampullae of Lorenzini has highest proton conductivity of any biological material.
Diver discovers 'African Atlantis' off Tanzania's Mafia Island
Archaeologist set to visit submerged city off Mafia Island to get better understanding of site.
2007 OR10: Unnamed dwarf planet at far reaches of solar system is much bigger than thought
2007 OR10 is now the third biggest dwarf planet in the solar system with diameter of 955 miles.
Frustrated fox squirrels flick their tails furiously when they can't get at nuts
Researchers record frustration in squirrels to shed light on problem-solving behaviour.
Life in the deep sea: Biodiversity of ocean depths unlike any other place on Earth
Understanding biodiversity of creatures of the deep will aid conservation efforts.
Microcephaly is just the tip of the iceberg: First direct proof Zika causes birth defects
Full extent of health impact of Zika virus "more widespread and devastating" than assumed.
Meteorites to be vaporised with lasers in bid to work out how to save Earth from giant asteroids
Experiment will provide researchers with a better understanding of how to deflect an Earth-bound asteroid.
Woolly mammoth genetics: Wrangel Island isolation and inbreeding doomed species to extinction
Mammoth inbreeding led to weakened immune system that could have also played a role in extinction.
Alien megastructure: No evidence of Dyson sphere but mystery of dimming star remains
Study casts doubt on research showing star KIC 8462852 has dimmed by 20% over past century.
Surviving the apocalypse: How humans could live through the end of the world
Scientists explain ways humans could survive doomsday – if we are not already extinct.