Florida officials warn about risks of drinking raw milk after 21 people sickened

The giant cuttlefish’s technicolour mating display is globally unique. The South Australia algal bloom could kill them all

Common artificial sweetener may interfere with cancer treatments

1 dead and at least 22 sick from Legionnaires' disease cluster in New York City

Predators balance water needs and human presence: Lions linger near waterholes, hyenas seek cover

Colonial ideas of beauty: how skin-lightening products are linked to cancer in black African women

World’s smallest snake rediscovered in Barbados after 20-year absence

Child dies from brain-eating amoeba in South Carolina

South Australia’s algal bloom may shrink over winter – but this model suggests it will spread to new areas in summer

Weird swelling of man's fingers and toes revealed cancer had 'completely replaced' the bones with lesions

Britons still smoke nearly 30 billion cigarettes every year, study finds

The golden oyster mushroom craze unleashed an invasive species – and a worrying new study shows it’s harming native fungi

Gastrointestinal cancers are rising dramatically in people under 50

Scientists put motion cameras along the US-Mexico border to spy on wildlife. The footage is spectacular — and telling.

The southern hemisphere is full of birds found nowhere else on Earth. Their importance has been overlooked

Fireflies thriving in Michigan thanks to favorable weather conditions

Blood tests could reveal early signs of Alzheimer’s disease, research suggests

Jaguar population increases after wildfire and drought, indicating area's role as climate refuge

Climate groups call for UK wealth tax to make super-rich fund sustainable economy

Extreme weather 'becoming the norm' - as minister warns UK's way of life 'under threat'