The latest stories from the Science & Environment section of the BBC News web site.
Updated: 3 hours 44 min ago
The secretary bird kicks snakes to death with a strike that packs five times the bird's own weight in a fraction of a second, scientists say.
UK researchers measure the power in the strike of the secretary bird, which hunts by kicking.
The Zika virus is likely to spread across nearly all of the Americas, the World Health Organization has warned.
How Israel is embracing veganism
Why do sperm whales die in the North Sea?
Big Boy, a funnel-web spider with a leg span of 10cm, is the largest specimen ever handed in to Australia's only venom-milking programme.
Swimming with toxic fish and 'sexy shrimp'
Victoria Gill joins a team of scientists as they set up remote cameras to observe penguin colonies in the Antarctic.
A team of researchers led by Dr Tom Hart at Oxford University has set up a network of penguin-monitoring cameras throughout the Antarctic Peninsula.
The widow of North Face co-founder Douglas Tompkins opens talks with Chile on donating a vast nature reserve to be turned into national parks.
US entrepreneur Jeff Bezos reflies the New Shepard rocket and capsule system he launched and recovered last November.
A BBC News crew is in Antarctica following a team of British researchers who are monitoring penguins.
Storks feeding on rubbish dumps instead of migrating are more likely to survive the winter, research shows.
As red kites prepare to mate and breed, volunteers in County Down are out identifying potential nest sites so they can check for chicks later in the season.
Scientists say the Venus flytrap controls its digestion process by gauging the number of times a struggling insect touches its trigger hairs.
A Jurassic sea beast found in a Cambridgeshire quarry could prove to be a new species of plesiosaur, scientists say.
Scientists say satellite tagging basking sharks off Scotland has given valuable insights into their behaviour of the world's second biggest fish.
Images from a microscope of healthy and infected algae inspires the designs of a Scottish-based textiles producer.
The scientist who was 'made' by a purple frog with a snout
Karen Allen meets a rhino breeder with a controversial solution to stop poachers killing his animals for their horns.