The latest stories from the Science & Environment section of the BBC News web site.
Updated: 50 min 38 sec ago
Jealousy is not just part of the human condition, a study suggests, it appears to be hard wired into the brains of dogs too.
Why the US public lost interest in lunar exploration
A crew of sailors is embarking on a pioneering citizen science expedition through the Northwest Passage between Canada and Greenland.
Warming seas are reducing the food supply for Antarctic seals, say researchers.
Changes in the Antarctic climate are showing up in the fur seal population, say scientists who have studied the animals for 30 years on the British Overseas Territory of South Georgia.
Arturo, the polar bear dubbed 'the world's saddest animal', will be staying at his zoo in Argentina, despite a massive petition calling for him to be moved to a colder climate.
Members of the European Union will have to boost their energy efficiency by 30% by 2030, according to the European Commission.
Zoologists find that bats use the pattern of polarised light in the sky at sunset to help them navigate.
The UN's seabed authority issues exploration licences that accelerate a search for valuable minerals on the ocean floor.
A pair of Amur leopards, which zookeepers say are on the brink of extinction, are born at Leicestershire's Twycross Zoo.
Enormous reticulated python gets annual check-up
Part of a city in north-west China is sealed off and dozens of people placed in quarantine after a man died of bubonic plague, state media say.
Do butterfly wing patterns really mimic predator eyes?
European spat over energy savings target
Models and concepts by famous car manufacturers
A team at Chester Zoo has given a check-up, including heart ultrasound scan to its giant reticulated python, named JF.
Wales is hailed as a jellyfish "hotspot" by researchers who say they could hit record numbers this summer.
A public review into the three person IVF technique has been broadly supportive, says the Department of Health.
The Kepler Space Telescope has spotted a distant world with the longest year of any planet in the mission's inventory.
There has been an increase in the number of slugs in Britain's gardens due to the warm and damp weather.