A British mountaineer believes Everest may now be "tricky to negotiate".
The seeds are safe for now but the melting of permafrost is alarming.
Bushland that nearly 180 koalas could have inhabited has been destroyed within two years.
Submerged human dwellings on the west coast were those of the first humans in Australia.
Dan Coats told a Senate hearing that the 2 countries are focusing on satellite destruction capabilities.
Life on Earth faced its first big challenge 444 million years ago.
A mother killer whale and her calf were spotted off San Juan Island in Washington.
The discovery shines light on how moons were formed in the young solar system.
The expedition, known as Under The Pole III, will take scientists on a journey across the world's oceans.
DNA analyses show that Europeans have a rich and diverse ancestry.
Not all scientists are convinced – men's preference for it could come from watching a lot of porn.
Moss banks survive freezing over the harsh winters, and have started growing more rapidly in the summers.
Women have been defending the stork and encouraging the community to respect and preserve the unusual bird.
Rising sea levels means higher waves and tides, which adds up to much more frequent flooding.
The US and former Soviet Union were mainly responsible for the consequences.
World Meteorological Organisation declares 1970 cyclone in Bangladesh worst ever.
It was discovered on the island of Oahu.
In some areas of Colombia, water levels were waist deep and some residents had to resort to travelling along streets on their canoes.
Archaeologists have found the remains of a young man who suffered from Scheuermann's disease.
Elysium Space, a San Francisco-based startup has teamed up with Elon Musk's SpaceX for this.
The James Webb Space Telescope is scheduled to launch in October, 2018.
The sacrifice was a plea to the gods to bring success to construction projects.
Scientists have modelled how T-Rex crushed bones of its prey.
'Narco-deforestation' has boomed in the region as the trade has been pushed out of Mexico and the Caribbean.
The iconic species is set to go extinct on the Otago peninsula as soon as the 2040s.
The famous 'Lucy' species went extinct as the land dried out, while the earliest humans thrived.
The vaquita is on the verge of extinction – there are believed to be fewer than 30 in existence today.
They're made from algae and tea bags – and will be on sale in the US within a year
Psychopaths plan their crimes down to the least detail and totally lack empathy.
Understanding the expansion of the universe is one of physicists and astronomers' priority.