Niagara Falls: Smelly black water shocks visitors

The local water board apologises for 'causing alarm' with discharge from sewage tank maintenance.

Elephants in Malawi relocated as part of conservation project

Rangers in Malawi take on the mammoth task of moving hundreds of elephants to safer national…

Cricket’s summer song making a comeback

How field crickets are being brought back from the brink of extinction by a unique conservation…

Secrets of the world’s toughest creatures revealed

DNA analyses of tardigrades has given scientists an insight into their incredible survival abilities.

Slimy slugs inspire ‘potentially lifesaving’ medical glue

The secretion is very strong, moves with the body and sticks to wet surfaces, scientists say.

Signal may be from first ‘exomoon’

Astronomers have discovered an object that could be the first known moon located beyond the Solar…

Lapland zoo polar bears enjoy snow gift

Christmas has come early for Lapland zoo polar bears with snow in July.

Diesel and petrol car ban: Clean air strategy ‘not enough’

The clean air strategy should include a scrappage scheme and clean air zones, campaigners say.

Vegan advert claiming ‘Humane milk is a myth’ cleared by ASA

Complaints from the dairy industry are dismissed as vegan group's advert is given the green light.

Passers-by rescue dolphin on Weymouth beach

People wade into the water to help save a dolphin which was stranded close to the…