early earth

Earth’s oldest crater found in Greenland


June 29th, 2012 - 2:00 pm ICT by IANS
London, June 29 (IANS) Geo-scientists have stumbled upon a vast, 100 km-wide crater in Greenland resulting from a massive asteroid hit a billion years before any other known collision on ... Read more...

Posted in World |

Climatic conditions on early earth similar to current ones


December 1st, 2011 - 5:06 pm ICT by IANS
Washington, Dec 1 (IANS) The atmosphere on our planet just 500 million years after its creation was not a methane-filled wasteland as believed, but surprisingly much closer to the current ... Read more...

Posted in World |

Hot springs of volcanic crater in Siberia reveals ancient ecology


April 27th, 2011 - 6:24 pm ICT by ANI
Washington, Apr 27 (ANI): A study has found that bacteria in the scalding hot springs of a volcanic crater in Siberia can help reconstruct the evolution of Earth's early atmosphere.UChicago researcher Albert ... Read more...

Posted in Health Science |

Sugar-grain sized meteorites ‘rocked early Earth, Mars’ climates’


April 2nd, 2011 - 2:17 pm ICT by ANI
Washington, Apr 2 (ANI): A new research has claimed that bombardments of 'micro-meteorites' on Earth and Mars four billion years ago may have caused the planets' climates to cool dramatically, hampering their ... Read more...

Posted in Health Science |

Meteorites ‘may have sparked life on Earth’


March 1st, 2011 - 1:54 pm ICT by ANI
London, Mar 1 (ANI): A meteorite discovered in Antarctica could strengthen the argument that life on Earth might have been kick-started from space, claim scientists.Chemical analysis of the meteorite shows it to ... Read more...

Posted in Health Science |

Rare sulphur could rewrite theories of early Earth


February 26th, 2011 - 6:01 pm ICT by ANI
London, Feb 26 (ANI): Scientists say a previously little known form of sulphur, may be the predominant form of the element in Earth's lower crust and upper mantle.Known as the trisulphur ion, ... Read more...

Posted in Health Science |

‘Missing’ element is clue to planet formation


February 25th, 2011 - 4:46 pm ICT by ANI
Washington, Feb 25 (ANI): A new study has shown that early in the formation of the Earth, some forms of the element chromium separated and disappeared deep into the planet's core.The finding ... Read more...

Posted in Health Science |

Tiny 3-D images shed light on origin of Earth’s core


December 17th, 2010 - 6:02 pm ICT by ANI
Washington, Dec 17 (ANI): Stanford University and SLAC National Accelerator Laboratory scientists' new method of capturing detailed, three-dimensional images of minute samples of material under extreme pressures is shedding light on the ... Read more...

Posted in Health Science |

‘Bolt from deep blue’ may have sparked life on Earth


October 30th, 2010 - 11:56 am ICT by ANI
London, Oct 30 (ANI): Scientists at the University of Tokyo in Japan have suggested that a bolt from the deep blue seas may have sparked life on Earth.Ryuhei Nakamura and his team ... Read more...

Posted in Health Science |

425 mn-year-old sea creature revealed in 3D


August 5th, 2010 - 12:01 pm ICT by IANS
London, Aug 5 (IANS) It might not look like much, but a bizarre green blob that lived in the ocean approximately 425 million years ago was one of the earliest living creatures ... Read more...

Posted in Sci-Tech |

Man in the moon has ‘graphite whiskers’


July 2nd, 2010 - 1:44 pm ICT by ANI
Washington, July 2 (ANI): Scientists have established the presence of graphite, a form of carbon, in a lunar sample collected by Apollo 17. The new analysis also revealed that graphite has existed ... Read more...

Posted in Health Science |

Early Earth haze similar to Titan may have been UV shield for planet


June 4th, 2010 - 2:38 pm ICT by ANI
Washington, June 4 (ANI): A new study shows a thick organic haze that covered the Earth several billion years ago, similar to that on Saturn's largest moon, Titan, may have provided ultraviolet ... Read more...

Posted in Health Science |

‘Nature’s batteries’ could have been an energy source for early life


May 26th, 2010 - 12:34 pm ICT by ANI
Washington, May 26 (ANI): Researchers may have stumbled upon new clues to the origin of early life on Earth.The team at the University of Leeds found that a compound known as pyrophosphite ... Read more...

Posted in Health Science |

Martian meteorites may help “refine the history of Mars”


April 16th, 2010 - 5:56 pm ICT by ANI
Washington, April 16 (ANI): American scientists have shed new light on the evolution of Mars by studying Martian meteorites.The findings of the study, conducted by Thomas Lapen, assistant professor of geosciences at ... Read more...

Posted in Health Science |

Why did early earth absorb more sunlight?


April 7th, 2010 - 3:10 pm ICT by IANS
Washington, April 7 (IANS) Four billion years ago, the sun radiated only 70 to 75 percent as much energy as it does today. Now, scientists are trying to explain what compensated for ... Read more...

Posted in Sci-Tech |

Earth’s weak magnetic field helped Sun to steal water from planet’s early atmosphere


March 5th, 2010 - 5:46 pm ICT by ANI
Washington, March 5 (ANI): Scientists have discovered that the Earth's magnetic field 3.5 billion years ago was only half as strong as it is today, and that this weakness, coupled with a ... Read more...

Posted in Health Science |

Prussian blue linked to origin of life


December 15th, 2009 - 2:33 pm ICT by ANI
Washington, December 15 (ANI): In a new study, a team of scientists has shown that hydrogen cyanide, urea and other substances considered essential to the formation of the building blocks of life ... Read more...

Posted in Health Science |

Sulfur-rich ores in Western Australia may have formed from volcanic eruptions


November 28th, 2009 - 4:27 pm ICT by ANI
Sydney, November 28 (ANI): In a new research, an international team of geologists has determined that sulfur-rich ores that blanket Western Australia may have formed billions of years ago from volcanic eruptions, ... Read more...

Posted in Health Science |

Oxygen production began in Earth’s oceans 100 mln yrs earlier than believed


October 30th, 2009 - 1:25 pm ICT by ANI
Washington, October 30 (ANI): In a new study, scientists have come across evidence that suggests oxygen production began in Earth's oceans at least 100 million years before the "Great Oxidation Event" (GOE).When ... Read more...

Posted in Health Science |

Scientists may have found first direct evidence of water ice on asteroid’s surface


October 13th, 2009 - 2:32 pm ICT by ANI
London, October 13 (ANI): Two independent scientific teams have found what may be the first direct evidence of water ice on the surface of an asteroid, a discovery that lends support to ... Read more...

Posted in Health Science |

Banded rocks may reveal Earth’s environment 2 billion years ago


October 12th, 2009 - 3:46 pm ICT by ANI
Washington, October 12 (ANI): Scientists have determined that the strikingly banded rocks scattered across the upper Midwest and elsewhere throughout the world can offer clues to the environment of the early Earth ... Read more...

Posted in Health Science |

Carbonyl Sulphide gas saved the world from freezing over 3 billion years ago


August 19th, 2009 - 2:50 pm ICT by ANI
Washington, August 19 (ANI): A team of scientists has determined that Carbonyl Sulphide gas warmed the world and saved it from freezing over during the Archean eon more than 3 billion years ... Read more...

Posted in Health Science |

Comet swarm may have delivered Earth’s oceans around 3.85 billion years ago


August 6th, 2009 - 12:52 pm ICT by ANI
Washington, August 6 (ANI): A new study has suggested that a barrage of comets may have delivered Earth's oceans around 3.85 billion years ago.Scientists have long suspected that Earth and its near ... Read more...

Posted in Health Science |

Meteor bombardment 4 bln yrs ago may have made Earth more habitable


June 2nd, 2009 - 12:55 pm ICT by ANI
Washington, June 2 (ANI): A new study has suggested that large bombardments of meteorites approximately four billion years ago could have helped to make the early Earth and Mars more habitable for ... Read more...

Posted in Health Science |

Nasa Study Shows Asteroids May Have Accelerated Life On Earth


May 21st, 2009 - 2:36 am ICT by admin
WASHINGTON -- A NASA-funded study indicates that an intense asteroid bombardment nearly 4 billion years ago may not have sterilized the early Earth as completely as previously thought. The asteroids, ... Read more...

Posted in Sci-Tech |

Life originated on Earth 4 bln yrs ago in form of first self-replicating molecules


May 14th, 2009 - 1:47 pm ICT by ANI
London, May 14 (ANI): In a new research, scientists have developed an experiment demonstrating how life originated on the Earth about 4 billion years ago in the form of the very first ... Read more...

Posted in Health Science |

Asbestos-Quake combo may have helped life evolve on early Earth


May 4th, 2009 - 12:26 pm ICT by ANI
London, May 4 (ANI): In a new research, scientists have suggested that the unlikely combination of asbestos and earthquakes may have helped life evolve on early Earth.Sea-floor fissures lined with an asbestos ... Read more...

Posted in Health Science |

Microbes in deep-sea mud volcanoes may yield clues to alien life


April 8th, 2009 - 4:03 pm ICT by ANI
Washington, April 8 (ANI): Scientists have completed the first study of microbes that live within the plumbing of deep-sea mud volcanoes in the Gulf of Mexico, where conditions may resemble those in ... Read more...

Posted in Health Science |

Watery asteroids may explain why life is left-handed


March 17th, 2009 - 12:12 pm ICT by ANI
London, March 17 (ANI): A new study has suggested that watery asteroids hurtling through the solar system gave a boost to left-handed proteins on Earth, which explains why life on our ... Read more...

Posted in National |

Finding shadow life on Earth may help scientists discover extraterrestrial life


March 14th, 2009 - 12:59 pm ICT by ANI
London, March 14 (ANI): By searching for an alternative form of microbial life on Earth, dubbed shadow biosphere, scientists are hoping that they can get close to finding life elsewhere in ... Read more...

Posted in Health Science |

Mystery about origins of life solved: Canadian scientists


February 20th, 2009 - 9:50 am ICT by IANS
Toronto, Feb 20 (IANS) Canadian scientists claim to have solved a major mystery about the origins of life on earth. The claims come at a time when the world is celebrating the bicentennial ... Read more...

Posted in Sci-Tech |

Synthetic biology yielding clues to how life began on Earth


February 16th, 2009 - 1:13 pm ICT by ANI
Washington, February 16 (ANI): Synthetic biology researchers at the University of California, Santa Cruz, say that their efforts are yielding clues to the mystery of how life began on Earth. Biochemist David ... Read more...

Posted in Health Science |

Earth was a barren water-world 2.5 billion years ago


December 31st, 2008 - 12:17 pm ICT by ANI
London, Dec 31 (ANI): A model of the early Earth has suggested that until around 2.5 billion years ago, our planet was almost completely covered by water.Today, some 28 per cent ... Read more...

Posted in Health Science |

LUCA, not Adam and Eve, was mankinds original ancestor


December 18th, 2008 - 2:11 pm ICT by ANI
Washington, Dec 18 (ANI): A ground-breaking study has characterized the common ancestor of all life on Earth as LUCA (Last Universal Common Ancestor), a 3.8-billion-year-old organism, which challenges the intelligent design ... Read more...

Posted in Health Science |

LUCA, not Adam or Eve, our original ancestor


December 18th, 2008 - 11:17 am ICT by IANS
Toronto, Dec 18 (IANS) A new theory proposed by an evolutionary geneticist suggests that our last universal common ancestor or LUCA, a 3.8 billion-year-old organism, was not the creature usually imagined. "It ... Read more...

Posted in World |

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