Helicopter firms are carrying out unauthorised sightseeing flights over the upper reaches of Mount Everest, Nepalese officials say.

A fire broke out once again at Andharmanik area of Chandpai Range in Sundarbans East Division.

The Amazon River is known far and wide for its vast array of wildlife ranging from pink dolphins to flesh-eating piranhas and has now revealed a new treasure trove - a massive coral reef that stretches for some 600 miles, scientists say.

The solar-powered aeroplane, Solar Impulse, has completed a three-day flight over the Pacific Ocean.

Ascension Island is a tiny dot of green in the tropical mid-Atlantic, a volcanic outpost of empire where it's hot and cold at the same time. It's a place where Charles Darwin helped inspire an alarming change, writes Matthew Teller.

An extensive aerial and underwater survey has revealed that 93% of Australia's Great Barrier Reef has been affected by coral bleaching.

A fire broke out in Chandpai range of the Sundarbans in Sharankhola upazila of Bagerhat. This is the third incident of forest fire in Chandpai range over the last three weeks.

The forest department with the help of Rapid Action Battalion (Rab) rescue 30 wild birds and two Rhesus monkeys at a bird market at Tongi in Gazipur.

The world's count of wild tigers roaming forests from Russia to Vietnam goes up for the first time in more than a century, with 3,890 counted by conservation groups and national governments in the latest global census, wildlife conservation groups says.

Taking a swipe at those protesting the government's move to construct coal-based power plants, Prime Minister Sheikh Hasina says some people have a bizarre imagination about coal and coal-based power plants which have already led to the loss of a few lives.

Global warming is shifting the way the Earth wobbles on its polar axis, a new NASA study finds.

The government is not adequately responding to naturally occurring arsenic in drinking water across large areas of rural Bangladesh, Human Rights Watch (HRW) says in a report.

Global sea levels could rise by more than double the current best estimate, according to a new analysis of climate change in Antarctica.

A fire that broke out in Chandpai Range of the Sundarbans in Bagerhat last evening has been brought under control. Reason behind the fire is yet to be ascertained.

In the name of ‘scientific research’, Japan kills 333 minke whales, including over 200 pregnant females, in the Antarctic in 2015-16 whaling season.

For the first time in 40 years, a species of rhino has been seen in Kalimantan, the Indonesia part of Borneo.

The ash tree is likely to be wiped out in Europe, according to a review of the evidence.

After about eight dives into the deep water of the Papahanaumokuakea Marine National Monument of north-west Hawaii, some thousands of samples and images of never-before-seen life and landforms have been collected.

A roughly 2,000-square-mile block of ice just broke off in the Arctic Ocean.

Australia's most newly-discovered spider surfs, swims and can catch prey up to three times its own size!