Origins Theme News

25 September 2023

Press, Research

The evolution of the Earth's atmosphere studied using impact craters

An international team shows that rocks from the hydrothermal system formed following the impact of the Rochechouart asteroid around 200 million years ...

06 December 2022

Press, Research

The formation of planetary atmospheres less efficient than anticipated

Researchers from the IPGP - Université Paris Cité show that the degassing of volatiles at the surface of magmatic oceans is far from instantaneous.

06 December 2022

Awards and Distinctions, Press, Research

Édith Kubik receives the 2022 CNFGG PhD Award

Édith Kubik received the 2022 Geophysics Prize for her PhD "Elemental and stable isotopic fractionations of siderophile elements – Implications for th...

07 November 2022

General public, Press, Research

Solar system calcium isotopic composition deduced from Ryugu samples

Less than two years after the Japanese Hayabusa2 mission returned samples from asteroid Ryugu to Earth, new international studies are refining the pre...

26 October 2022

General public, Press, Research

Publication of the book "Les mondes de Saturne" (Saturn's worlds)

"Les mondes de Saturne", written by Sébastien Charnoz, Sandrine Vinatier, Sandrine Guerlet and Alice Le Gall, has just been published by Belin.

28 June 2022

Press, Research

Zinc isotope anomalies reveal accretion of outer solar system material during Earth formation

The question of the origin of volatile elements* present on Earth is fundamental to understanding the evolution of our planet. A study carried out at ...

12 January 2022

Press, Research

Formation of the solar system's first small bodies in two separate rings

The formation of small solar system bodies, such as asteroids and planetesimals, remains a mystery. While there's general agreement that their formati...

28 October 2021

Press, Research

Modelling the effect of variations in the Earth's orbit on climates and biomes during the major Eocene-Oligocene climate transition

By comparing the results of climate simulations from the Eocene and Oligocene eras, subjected to different configurations of the Earth's orbit, a stud...

18 October 2021

Press, Research

Using Machine Learning to predict magma properties

By combining machine learning and supercomputing methods with thermodynamic equations, an international team led by scientists at the Institut de Phys...

20 September 2021

Press, Research

The crustal origin of certain mantle heterogeneities finally demonstrated

The composition of the Earth's mantle is partly determined by chemical and isotopic analyses of lavas from different tectonic contexts. While basalts ...

05 May 2021

Press, Research

Subduction already at work on Earth 4 billion years ago

Geochemical analysis of 4-billion-year-old samples has identified the processes that led to their formation. A team led by IPGP scientists has demonst...

16 March 2021

Press, Research

Meteorite reveals oldest known planetary crust

A team of researchers from the Institut Universitaire Européen de la Mer in Brest (CNRS, Université de Bretagne-Occidentale), the Institut de Physique...