Diamond record of ancient Earth
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Tiny diamonds found in Australia suggest the early Earth was not a hellish world for as long as previously supposed, scientists say.
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The Moon offers a unique preserved laboratory free from the weathering that ages the record of how life arose on Earth. Studying radiation and polar craters may be targets for the next human or robotic missions.
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A NASA telescope recently discovered evidence that the most violent part of the process in forming an Earth-sized planet - the collisions between colossal chunks of rock - may last hundreds of millions of years instead of 10 million years, scientists said
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A new look at climate conditions 55 million years ago shows that the Earth is more sensitive to small changes than previously believed.
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Helium isotopes reveal hidden stores of geothermal energy.
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A 603-carat diamond, the biggest found in 13 years and the 15th largest in the world, went on sale in Antwerp on Wednesday after being uncovered in Lesotho in southern Africa, the owners said.
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By Griffin, David L  Abstract:  This paper is based on the concept that the drainage system of c. 7.5-4.6 Ma is still reflected in the geomorphology of northeastern Chad and adjacent areas of Libya.
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An ancient version of global warming may have been to blame for the greatest mass extinction in Earth's history.
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A collision 160 million years ago of  two asteroids orbiting between Mars and Jupiter sent many big  rock chunks hurtling toward Earth, including the one that  zapped the dinosaurs, scientists said on Wednesday.
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A fabled fossil goes on view for the first time in decades  -  and ignites a controversy
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Signs of ancient eruptions indicate a planet geologically active and may suggest presence of simple life forms.
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By Anonymous  ANCIENT TEMPERATURE DROP M
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Whenever the world's tropical seas warm several degrees, Earth has experienced mass extinctions over millions of years, according to a first-of-its-kind statistical study of fossil records.
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An asteroid named after a Celtic god of war will this week make its closest journey past Earth for 651 years. The space rock known as Toutatis will come within 960,000 miles (about 1.5 million km) of Earth on Wednesday.
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Stunning color images offer new evidence that plentiful water once percolated through Martian bedrock&#8212;and new hints as to where life might be hiding.
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350 years of science available for your reading pleasure One of the world's most important historical records will be made available online for the first time today. All the Royal Society's journals are free for two months and include stone-cold scientific classics going back to 1665 and the foundations of modern inquiry.â¦
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Recent observations have uncovered evidence that helps to confirm the identification of the remains of one of the earliest stellar explosions recorded by humans. The new study shows that the supernova remnant RCW 86 is much younger than previously thought.