Up to 16% of hydraulically fractured oil and gas wells spill liquids each year, according to new data.
A method that can identify individual lemurs could improve the way the endangered species is tracked.
Scientists in Boston have found a way to get every last drop of ketchup out of the bottle.
Fuelling the jet engine in a supersonic car
Once too precious to use, now too cheap to notice
How smartphones are helping to both catch and protect fish
Apollo 1 fire has had a far-reaching legacy
Tesla chief determined to engage with Trump White House
One munched on a foot-long snake
Stories from the natural world
What was The Underground Railroad?