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On 14 September, 2015, the international LIGO/Virgo collaboration detected the very first gravitational wave signal, a tiny distortion of spacetime predicted by Einstein, in this case produced by the merger of two black holes. The CNRS astrophysicist Marie-...
Article
11.03.2025
Why is the outermost part of the Sun's atmosphere, the corona, so much hotter than its surface? Ten years after formulating a hypothesis based on a numerical model, CNRS researchers have now used direct observations of the star's surface to confirm...
Article
10.09.2025
With large-scale observation campaigns, innovative data analysis methods and theoretical advances on all fronts, astrophysics and cosmology are entering a high-precision era with the potential to unravel many of the unsolved mysteries of the Universe....
Article
09.12.2025
During his “miraculous year” 120 years ago, Albert Einstein explained the photoelectric effect, laying the foundations of quantum mechanics. The historian of science Christian Bracco provides an insight.
Article
07.09.2025
Article
07.21.2023
Blind since her teenage years, Wanda Diaz-Merced has developed a technique called “sonification” to convert astrophysical signals into sounds. Building on the success of this impressive tool for...
06.08.2023
Located at an altitude of 2,500 metres on the Bure plateau in the Alps, the Noema international observatory is the most powerful radio telescope in the northern hemisphere. Thanks to the data...
Article
04.24.2023
Two separate measurements of the Hubble constant, a parameter that describes the expansion rate of the Universe, have yielded conflicting results. The discrepancy could lead to the overthrow of the...