Researchers at the University of California, Los Angeles (UCLA) in the US noted that as long as humans have been on Earth, the planet has had a large cap of sea ice at the Arctic Circle that expands each winter and contracts each summer.
The gradual acidification of the subarctic region of the Pacific ocean, is causing a significant increase in the production of nitrous oxide, an ozone-depleting greenhouse gas, according to a study.
The two studies, published in the journal Cell on Thursday, found that the diversity of microscopic organisms habiting the Earth's oceans are the least at the higher latitudes -- nearer to the poles -- and increase in a gradient towards the equator.
The NASA Goddard Space Flight Center in April sent a letter to the Bureau of Ocean Energy Management estimating that 70 rocket parts have landed in the Beaufort Sea since the 1960s.
Washington: Ancient Mars was likely to have possessed a primitive ocean that held more water than the Earth's Arctic Ocean, the US space agency NASA said."Perhaps about 4.3 billion years ago, Mars would have had
Moscow: Russia has restored military presence in the Arctic and plans to build an airfield in the region, a senior military official said Monday.A group of warships from the Northern Fleet has started to implement
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