Search For "billion years ago"
Strange new fossils give light on prehistoric plankton
Updated : 2 years, 4 months ago IST
Researchers have uncovered a new type of fossil that suggests life in the oceans half a billion years ago.
Read More
Astrophysicists explain why Earth's day was always 19.5 hours for more tha
Updated : 2 years, 8 months ago IST
The slow and steady lengthening of the Earth's day caused by the tidal pull of the moon has been halted for more than a billion years, according to a group of astrophysicists from the University of Toronto (U of T). They demonstrate that from around two billion years ago until 600 million y
Read More
Solar system is estimated to be about 4.57 billion years old: Research
Updated : 3 years, 1 month ago IST
Our solar system is estimated to be about 4.57 billion years old. Previous analyses of ancient meteorites have shown that minerals were created through chemical reactions with water as far back as 4.5 billion years ago. New findings from the Ryugu asteroid samples indicate that carbonates we
Read More
Scientists study life origins by simulating cosmic evolution
Updated : 3 years, 2 months ago IST
Amino acids make up millions of proteins that drive the chemical gears of life, including essential bodily functions in animals. Because of amino acids' relationship to living things scientists are eager to understand the origins of these molecules. After all, amino acids may have helped spa
Read More
Research sheds light on how fluctuating oxygen levels may have accelerated
Updated : 3 years, 5 months ago IST
Washington [US], October 15 (ANI): A new research has shed light on one of the reasons why animal evolution accelerated millions of years ago and according to scientists it is the wild fluctuations in the oxygen levels a billion years ago that could be held responsible.
Read More
Study explores how fluctuation in oxygen levels could have accelerated evo
Updated : 3 years, 5 months ago IST
Washington [US], October 15 (ANI): According to new research, oxygen levels in the Earth's atmosphere are likely to have "fluctuated wildly" one billion years ago, creating conditions that could have accelerated the development of early animal life.
Read More
Research: Asteroid that formed Vredefort crater bigger than previously bel
Updated : 3 years, 5 months ago IST
Washington [US], September 29 (ANI): Researchers developed a more accurate simulation of the impact that formed Earth's largest crater Vredefort crater nearly two billion years ago. They found the impactor (most likely an asteroid) that formed the Vredefort crater is much larger than previou
Read More
Even dying stars can give birth to planets, suggest astronomers
Updated : 4 years, 1 month ago IST
Leuven [Belgium], February 1 (ANI): In any galaxy, planets are usually not much older than the stars around which they revolve. For example, the Sun was born 4.6 billion years ago, and not long after that, Earth came into the world. But KU Leuven astronomers have discovered that a completely
Read More
Researchers find ancient diamonds that calculate time when Earth was prime
Updated : 4 years, 8 months ago IST
Paris [France], July 6 (ANI): A unique study of ancient diamonds has shown that the basic chemical composition of the Earth's atmosphere which makes it suitable for life's explosion of diversity was laid down at least 2.7 billion years ago.
Read More
Luminous galaxy reionizing surroundings 13 billion years ago
Updated : 5 years, 8 months ago IST
Leiden [Netherlands], July 2 (ANI): Astronomers have discovered a luminous galaxy caught in the act of reionizing its surrounding gas only 800 million years after the Big Bang.
Read More
Cosmic ring of fire: Astronomers see super-rare type of galaxy
Updated : 5 years, 9 months ago IST
Washington D.C. [USA], May 26 (ANI): A team of astronomers has captured an image of a rare type of galaxy, which is described as a "cosmic ring of fire" - as it existed 11 billion years ago.
Read More
Simulating early ocean vents shows life's building blocks form under press
Updated : 5 years, 11 months ago IST
Washington D.C.[USA], April 16 (ANI): Where did life first form on Earth? Some scientists think it could have been around hydrothermal vents that may have existed at the bottom of the ocean 4.5 billion years ago.
Read More