Science news articles about 'ancient earth'

... dioxide, may have played a vital role in helping ancient Earth to escape from complete glaciation, say scientists in a ... time. He adds: "There is so much about Earth's ancient past that we don't know ...

... known materials on Earth, offer a window in time back as far as 4.4 billion years ... as evidence for very high temperature conditions on the ancient Earth." Previous explanations for the missing rocks ...

... 1960s. Researchers say the finding makes it slightly more plausible that meteorite bombardments may have seeded ancient Earth with life's raw materials, potentially paving the way for life itself. [ ...

Material from Earth's first billion years may remain in moon meteorites.

Ancient Earth used to build up heat in the mantle and then release it in catastrophic volcanic outbursts, according to recent research.

Research on ancient fossils found in Western Australia has provided a picture of what life may have looked like on Mars and ancient Earth.

... and breath to see if the right organs have properly metabolized it. Also, climatologists can learn more about the ancient earth by studying carbon dioxide locked within cores of ice, Zare said. ...

... Some earlier studies of these rocks had led other teams to conclude that the magnetic field of the ancient Earth had a far more complex structure -- some proposing the influence of four or even eight ...

Natural fission reactors may have irradiated early life [Read more]

... "prebiotic" molecules that likely were present on primordial earth billions of years ago. Now, Ernesto Di ... 40-90 °C –similar to water temperatures on ancient Earth. Cyclic nucleotides like cyclic-AMP ...