A massive asteroid struck the Earth 66 million years ago, dramatically affecting marine and terrestrial environments, and causing the mass extinction of numerous animal and plant species. The sebecosuchians, a highly-adaptable group of reptiles belonging to the Crocodilian order, were one of the...
Slideshow
04.26.2024
In March 2020, France was one of the countries that adopted the strictest lockdown measures in an attempt to curb the Covid-19 pandemic. The historian and sociologist Nicolas Mariot looks back at this experiment in mass obedience.
Article
04.26.2024
The recent discovery of a binary system containing an extremely rare object, the most massive black hole (apart from SgrA*) ever detected in our Galaxy, calls into question the models for the formation of these bodies.
Article
04.24.2024
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02.22.2022
The United Nations declared 2022 the International Year of Glass, whose official launch took place on 10 and 11 February in Geneva, Switzerland. Researcher Daniel Neuville provides a brief yet eye-...
02.17.2022
Because of its geographical location, pristine expanses and animal populations, the Antarctic has been a prized location for scientific research over the past few decades. Severely impacted by...
12.17.2021
Over 60 million years ago, superpredators such as ichthyosaurs, plesiosaurs and mosasaurs roamed the seas. But what exactly were these reptiles, which are often incorrectly referred to as “marine...
Article
11.24.2021
Last August, the scientists taking part in the fourth MAGIC campaign headed for Scandinavia, north of the Arctic Circle. Their goal was to study the atmospheric distribution of greenhouse gases using...
11.18.2021
What contains 25% of the Earth’s known biodiversity and 75% of its terrestrial biomass, provides its natural fertility, and regulates its watercourses as well as the climate? No need to look very far...
Article
10.24.2021
The oceans have not always looked the same as they do today. Their shape and size keep changing over the course of geological time. There are even places on Earth where they are still in the making....
09.22.2021
Major climate models are based on a series of more specific overlapping models that are in constant interaction with one another. However, those describing the behaviour of sea ice have proved to be...
09.14.2021
The effects of urban heat islands, which can increase temperatures in cities by as much as 10 °C, are particularly noticeable in summer. For some twenty years Valéry Masson has been studying these...
08.08.2021
For the past 20 years, a scientific team has been monitoring the state of health of Barbeau Forest in the Seine-et-Marne region east of Paris. Researchers and engineers analyse the flux of carbon...
07.27.2021
A recent report, co-authored by experts on climate change (IPCC) and biodiversity loss (IPBES) shows that these two phenomena are closely related. And although some solutions put forward to tackle...
07.24.2021
Since 2018, the InSight mission has been exploring the internal structure of the Red Planet. Geophysicist Philippe Lognonné tells CNRS News what they've discovered so far.
Article
06.08.2021
At school, we learned that the Gulf Stream was the warm current that flows across the Atlantic. Yet according to oceanographer Julie Deshayes, things aren't quite so simple. The scientist...