Stunning photos raise awareness of issues like sustainable development, pollution and human rights.
Manganese oxides discovered in Martian rocks by zapping them with lasers.
In 2015, 61 whales were reported entangled off the West Coast of the US, with 57 of these in California.
Lionfish posing serious risk to ecology of Mediterranean, with widening of Suez Canal exacerbating problem.
Find could lead towards developing the highly-pure fuel as a potential new energy source.
Scientists discover 2,700 cubic km usable groundwater beneath drought-stricken California
Ancient wheat varieties offers a response to western consumers' needs for healthy and diverse food.
Many of those who have been dancing to LCD Soundsystem and Chvrches are heading home – or at least to the nearest shower.
'Game-changing' analysis of 37,000-year-old skull questions ideas on prehistoric settlement of Pacific island.
Infrared shots taken with Very Large Telescope will help create a high-resolution map of gas giant.
Archaeologists have discovered remains of young adults in the ashes of a Pompeii workshop along with golden coins and jewellery.
SweePee Rambo is blind, has a mohawk, a tongue that sticks out and legs that bow outwards like a frog.
Is it something in the air that makes Westeros citizens so irrational and aggressive?
China's capital of 20 million people is the 5th most water-stressed city in the world.
The parrot was caught on video flying through trees in the northeastern state of Bahia, Brazil.
A convoy of vehicles made a 5,800km-long protest in areas across the country
Skeleton of female was discovered in a traditional wooden coffin in Gyeongju.
Deadly tornado and hailstorm flattened houses near Yancheng city, a few hours' drive north of Shanghai.
Previous ice ages can inform us about how quickly vegetation evolves with climate change.
Dark vortex in Neptune's atmosphere caused by high-pressure systems.
Women are more likely to kill in their own homes and the victims are often men they know.
How scientists and institutions have responded to the result of the EU Referendum.
As vast ancient cities are discovered, sustainable tourism is helping conserve Cambodia's cultural heritage.
Further tests are pending on six of the 10 crops of vegetables and cereals grown on 'Mars' soil.
Mayor Horacio Rodríguez Larreta says the zoo will be converted into an ecological park when it reopens later this year.
The data emerges after an alligator killed a two-year-old boy.
Impulse took 71 hours to cross the Atlantic as part of the first ever fuel-less flight around the world.
Like humans, monkeys may become more selective about who they spend time with when they age.
New Horizons data suggests Pluto's ocean may not have frozen yet.
We round up the best photos and videos of the flooding in London and the south-east.