The average depth of the entire ocean is about 3.5km – that means that most of the living space on Earth is in the deep sea
Sea sponges are believed to have first appeared 640 million years ago
It is estimated that about eight million tons of plastic debris are being washed into the oceans each year
The sperm whale's stomach contained plastic bags and fishing nets
The landmark arches have been demolished by high tides and 70mph winds
Arifa Akbar picks this year’s must-read book releases
chances are that you have spent the past two weeks wrapping, unwrapping and wolfing down the stuff brought to you by people like the cheerful rating whom Horatio Clare calls "N".
The satellite has been in operation since March 2009, with its re-entry planned for by scientists and described as only a "small fraction" of annual pace debris
Debris from the European Space Agency spacecraft is most likely to fall harmlessly in oceans
A mass evacuation saved thousands of people from India’s fiercest cyclone in 14 years, but aid workers warned a million would need help after their homes and livelihoods were destroyed.
The multi-record holding batsman is to call time on his first class career at international level
Via the Northern Sea Route, ships can make the journey in 35 days, instead of the usual 48
I first came to Edinburgh when I was 18 to serve on the Perrier Awards panel, and was inspired to try stand-up myself. In the intervening 22 years the press initially dubbed me a a 'fresh face', then 'a rising star', then an 'established name'. This year I was described as a 'permanent fringe fixture'. Like the rain, the sweaty venues and the panpipe players outside Waverley station, I have become part of the festival furniture.
Senior minister from the collection of low-lying coral atolls in the north Pacific says the end of this century will spell 'the end of my country and many others like it'
The Grace satellite measures tiny fluctuations of the Earth’s gravity field resulting from the loss of ice into the sea