Conserving the world’s rarest fish may mean letting it die out
The famous pupfish from Devil's Hole in California may be just the latest in the long cycle of birth – and extinction – of unique fish species in this cave
All you need to know about whale strandings in the UK and Europe
Several whales have been stranded on the coasts of the UK, Germany and the Netherlands this week. Here's the lowdown
How to save Flint in Michigan from lead-poisoned drinking water
The US government has promised $80 million in emergency funds to save the city from lead in the drinking water, but how do you actually go about the task?
Lonely exoplanet orbits its star at greatest distance yet seen
A closer look at the motions of a small star and a misfit planet shows the two are linked by gravity - and can teach us about planets and stars alike
Watch brainy zoo animals figure out a box puzzle to get at food
Tests on 35 species show that relative brain size predicts a carnivore's ability to solve problems, with bears beating meerkats
Did Zika’s recent mutations let it explode as a global threat?
As the virus continues to spread, scientists are trying to understand how it went from causing sporadic, contained outbreaks to threatening almost an entire hemisphere
US east coast snowstorms linked to slowdown of Atlantic current
The record-breaking snowfall seen in the US over the weekend may become more common if Atlantic ocean current is slowing down as some suggest
Will creating monkeys with autism-like symptoms be any use?
For the first time, non-human primates – macaques - have been genetically modified to display autism-like behaviour
Glowing 4D-printed flowers could pave way for replacement organs
A new plant-inspired technique for designing 4D-printed objects that change shape over time could be important for building bespoke body parts
Future delivery drones start learning how to fly on their own
Before we open the skies for autonomous drone delivery, we must make sure they can avoid obstacles and each other with no pilot to guide them
