Tag Archives: billion
Oldest plant-like fossils discovered are 1.6 billion years old
X-ray tomographic picture (false colors) of fossil thread-like red algae. Credit: Stefan Bengtson Scientists at the Swedish Museum of Natural History have found fossils of 1.6 billion-year-old probable red algae. The spectacular finds, publishing on 14 March in the open … Continue reading
Study breathes new life into P.A billion yr previous ‘Great Oxidation Event’
Study breathes new life into P.O billion yr previous ‘Great Oxidation Event’ Research led by the University of St Andrews and revealed yesterday in Nature – offers new perception into how life advanced alongside modifications within the chemistry of Earth’s … Continue reading
Low degree of oxygen in Earth’s center ages delayed evolution for 2 billion years
A low degree of atmospheric oxygen in Earth’s center ages held again evolution for two billion years, elevating recent questions concerning the origins of life on this planet. New analysis explains how oxygen was trapped at such low ranges. Geology … Continue reading
Low degree of oxygen in Earth’s center ages delayed evolution for 2 billion years
A low degree of atmospheric oxygen in Earth’s center ages held again evolution for two billion years, elevating recent questions concerning the origins of life on this planet. New analysis explains how oxygen was trapped at such low ranges. Paleontology … Continue reading
Discovery of latest fossil from half billion years in the past sheds mild on life on Earth
A new species of fossil has been found that may make clear early animal ecosystems. Investigators found the brand new species whereas conducting a survey of microfossils in mudstones from western Canada. To their shock, the samples yielded miniscule loriciferans: … Continue reading
Retroviruses ‘almost half a billion years old’
Retroviruses — the family of viruses that includes HIV — are almost half a billion years old, according to new research. That’s several hundred million years older than previously thought and suggests retroviruses have ancient marine origins, having been with … Continue reading
Will Earth still exist 5 billion years from now?
Artist’s impression of the Earth scorched by the sun as it enters its red giant branch phase. Credit: Wikimedia Commons/Fsgregs What will happen to Earth when, in a few billion years’ time, the Sun is a hundred times bigger than … Continue reading
Will Earth still exist 5 billion years from now?
What will happen to Earth when, in a few billion years’ time, the sun is a hundred times bigger than it is today? Using the most powerful radio telescope in the world, an international team of astronomers has set out … Continue reading
World’s oldest fossils discovered in Greenland are 3.7 billion years old
Scientists discovered a rock that containes stromatolites, tiny layered structures from 3.7 billion years ago that are remnants from a community of microbes that used to be live there. (Allen Nutman / AP) Oldest Fossils On Earth Discovered, Raising Chances … Continue reading
Researchers find evidence of cavity-dwelling microbial life from 3 billion years ago
Raman micro-spectroscopy. A, B: Thin section photomicrographs (left) and corresponding Raman intensity maps (right) of the silicified cavities showing the downward-oriented accretion and the kerogenous composition of the dark laminae. Red colors indicate kerogen-rich areas. C: Representative first-order Raman spectrum … Continue reading