Meteorite impacts can produce more than craters on the Earth - they can also spark volcanic activity that shapes its surface and climate by bringing up material from depth. That is the headline finding of an international ...
Earth Sciences
May 3, 2017
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209
Rice University petrologists who recreated hot, high-pressure conditions from 60 miles below Earth's surface have found a new clue about a crucial event in the planet's deep past.
Earth Sciences
Apr 25, 2017
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228
For much of its first two billion years, Earth was a very different place: oxygen was scarce, microbial life ruled, and the sun was significantly dimmer than it is today. Yet the rock record shows that vast seas covered much ...
Environment
Apr 17, 2017
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151
A fatty molecule thought to be unique to flowering plants has turned up in bacteria skimmed from the Adriatic Sea. The surprising finding solves a 20-year-old paleontological mystery and could affect how scientists interpret ...
Biotechnology
Jan 20, 2017
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375
Scientists studying the Chicxulub crater have shown how large asteroid impacts deform rocks in a way that may produce habitats for early life.
Earth Sciences
Nov 17, 2016
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379
Stanford scientists are harnessing the power of focused X-ray beams to study the transformations undergone by rocks under intense heat and pressure. The technique could provide new insights into ancient asteroid impact events ...
General Physics
Nov 8, 2016
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24
Scientists at Tokyo Institute of Technology have demonstrated that the relatively high levels of precious metals (gold, platinum, etc.) in the Earth's mantle likely originated from one large-scale planetary impact prior to ...
Space Exploration
Oct 6, 2016
3
1
Addressing fundamental unknowns about the earliest history of Earth's crust, scientists have precisely dated the world's oldest rock unit at 4.02 billion years old. Driven by the University of Alberta, the findings suggest ...
Earth Sciences
Sep 19, 2016
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47
Where did life begin—in a shallow lagoon, or in a vent of superheated water spewing from the ocean floor? If we knew, we might know where to look for life elsewhere in the universe. The "RNA World" hypothesis, which suggests ...
Biochemistry
Sep 7, 2016
0
9
Australian researchers have found the world's oldest fossils, revealing that diverse life forms thrived on Earth 3.7 billion years ago.
Paleontology & Fossils
Sep 1, 2016
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