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Origins Theme News
17 March 2017
Research
Solar wind settling on early dust, a source of volatile elements for the Earth
The origin of volatile elements such as water, carbon and nitrogen on telluric planets is still widely debated. Due to their inert nature, noble gases...
28 February 2017
Press, Research
Towards a better understanding of paleoclimates in the sedimentary archive
Calcite microfossils preserved in sediments are widely used to reconstruct the Earth's past oceanographic conditions and climates. By analyzing their ...
The Magofond 4 campaign focuses on the Earth's magnetic field over a particular period of almost 40 million years, during which the field did not reve...
09 February 2017
Press, Research
First signs of a vital bacterial effect on carbonate oxygen isotopes
A multidisciplinary approach led by two teams at the Institut de Physique du Globe de Paris has demonstrated that a bacterium present in the soil indu...
08 February 2017
Press, Research
What the first nuclear explosion tells us about the Moon's formation
During the first nuclear explosion on July 16, 1945, at the Trinity test site in New Mexico, USA (the "test" that later led to the atomic explosions a...
20 November 2016
Press, Research
Archaean microfossils lived in oceans at over 40°C
A wealth of evidence suggests that life on Earth first appeared over 3 billion years ago. However, reconstructing the conditions on the earth's surfac...
14 November 2016
Press, Research
Most of the platinum in the Earth's mantle was brought by meteorites after the formation of the core
By analyzing, for the first time, the natural isotopic composition of platinum in meteorites as well as in ancient (over 3.85 billion years old) and m...
04 July 2016
General public, Press, Research
Understanding the formation of Mars' satellites
Sébastien Charnoz, Professor at Paris Diderot University and researcher at the Institut de Physique du Globe de Paris, and an international team publi...
01 July 2016
Press, Research
What if chondrules were formed during collisions between planetesimals?
The origin of chondrules, one of the major constituents of primitive meteorites, remains hotly debated to this day. The discovery of magnetites of mag...
06 May 2016
Press, Research
A unique iron isotope anomaly to identify fossil magnetotactic bacteria
02 March 2016
General public, Press, Research
Cosmic dust flux variation measured on the ocean floor!
The Earth is constantly bombarded by "interplanetary dust" (cosmic particles from comet tails, asteroid collisions...).
01 January 2016
Research
Expedition IODP 357 - Life and serpentinization of the Atlantis Massif
An international team of 32 scientists, including 3 IPGP members, led by Gretchen Früh-Green from ETH Zurich (Switzerland) and Beth Orcutt from the Bi...