article_snippet: Scientists now want to explore these more closely in the hope that here may still be life existing somewhere beneath the surface.
article_snippet: Scientists claim to have discovered evidence that suggests there may be alien life living high up in our own atmosphere.
article_snippet: Researchers from the University of Sheffield and Buckingham University claim to have gathered samples that show microscopic organisms are living 16 miles up in the stratosphere.
article_snippet: Using a high-altitude balloon, Researchers from the University of Sheffield and Buckingham University claim to have gathered samples that show microscopic organisms are living 16 miles up in the stratosphere
article_snippet: gathered samples of dust and
article_snippet: other microscopic debris high above the Earth's surface and say Researchers from the University of Sheffield and Buckingham University claim to have gathered samples that show microscopic organisms are living 16 miles up in the stratosphere found fragments of single celled algae known as a diatom.
article_snippet: Researchers from the University of Sheffield and Buckingham University claim to have gathered samples that show microscopic organisms are living 16 miles up in the stratosphere argue that this could be the first evidence to show how life may have arrived on Earth from space, perhaps carried here by meteorites.
article_snippet: It is not the first time organisms have been found in the atmosphere and indeed the skies are thought to be teeming with microscopic life.
article_snippet: Scientists working with Nasa found 314 different types of bacteria living in the atmosphere up to five miles above the Atlantic Ocean and the US in 2012.
article_snippet: Scientists working with Nasa concluded the bacteria, which accounted for 20 per cent of the particles Scientists working with Nasa collected, were carried up into the atmosphere by wind currents.