Warm ocean waters and rising CO2 levels are likely to disturb the food chain.
Sand dunes in the Algerian town of Ain Sefra were blanketed by a 16-inch thick layer of snow. This was only the third snowfall to be recorded in the town.
More than 99% of green sea turtles coming from the northern Great Barrier Reef are females, study finds.
Choose one of these 24 stunning animal pictures as the winner of the Wildlife Photographer of the Year People's Choice Award.
Titanoboa cerrejonensis is the largest snake ever known to have existed and an early ancestor to today's boa constrictors.
Intriguing behaviour of raptors is widely known among Australia's indigenous people and is often represented in sacred ceremonies.
Scientists found that while in the Arctic region the sinking was over 1mm a year, in the south Pacific it was 0.4mm a year.
A brave dog named Red survived 10 days in the on Preseli mountains after getting 'disoriented' and disappeared during a walk.
January 5 marks National Bird Day - but how much do you know about our feathered friends? Take our quiz and find out.
Animal protection groups and local authorities have urged people to shelter their pets indoors during the icy weather.
Scientists studied the fossilised bones of a shark that lived during the Devonian period to find that humans' ancient ancestor was also related to sharks.
Ice quakes occur when rapid drops in temperature make water in the ground to freeze, causing the rock or soil to crack.
The Mariana snailfish has been documented at depths of more than 8,000 metres below the ocean surface.
Scotland's Highland Wildlife Park has welcomed a polar bear cub, announced just a day after a cub in Tierpark Berlin was found dead. Cubs have a high mortality rate in captivity.
Flach's new book, Endangered, features over 180 images of remarkable animals such as the mandrill and the Yunnan snub-nosed monkey.
Recent cold snap is set to become deteriorate as a freezing meteorological "bomb cyclone" is predicted to affect East Coast.
The calf is being looked after by forest officials who are attempting to find its mother and reunite the two.
A great white shark, named Miss Costa, was spotted swimming off the coast of Florida in the Gulf of Mexico on Monday (1 January).
Temperatures at Calgary Zoo plummeted to an average of -28 degrees Celsius during the recent cold snap.
Invasion of black and brown rats to Duncan Island pushed the Galápagos tortoise to the brink of extinction.