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Earth & Space

showing 26-30 of 195 breaks

Can dark matter interact with itself?

The nature of dark matter, the invisible matter that holds galaxies together, still evades scientists almost a century after first inferring its existence. Since we cannot observe dark matter directly, like we can detect a star through the light it emits, astrophysicists study how its... click to read more

Views 3834
Reading time 3 min
published on May 10, 2023
Drought may have prompted the Vikings’ departure from Greenland

Norse settlers, led by Erik the Red, developed the Eastern Settlement on southern Greenland in 985 CE. The Norse farmers raised cattle and sheep on cleared pastureland for sustenance. The settlement became quite successful and its estimated population reached to about 2000 people.  Then suddenly, they... click to read more

  • Boyang Zhao | Postdoctoral Research Associate at Brown University
Views 2775
Reading time 4 min
published on Apr 20, 2023
The impact of climate change on marine life in ocean depths

Illustration realized in the framework of a collaboration between the Image/Recit option of the HEAD (Haute École d'Art et de Design) - Genève and the Faculty of Sciences of the University of Geneva.

Historically, the Earth has known periods that were both colder and warmer than... click to read more

  • Lucas Vimpere | Postdoctoral Research Fellow at Earth and environmental sciences section, Faculty of science, University of Geneva, Geneva, Switzerland
  • Sébastien Castelltort | Professor at Earth and environmental sciences section, Faculty of science, University of Geneva, Geneva, Switzerland
Views 3323
Reading time 3 min
published on Feb 16, 2023
Marsquakes redefine what we tought about a quiet Mars

The Red Planet is out there, waiting to be explored. In the mid-70s, NASA’s Vikings I and II landed on Mars, each with a seismometer mounted on their decks. When they transmitted the last recording to Earth in 1980, it became clear that, unfortunately, scientists... click to read more

Views 4724
Reading time 4 min
published on Feb 13, 2023
The Light of Earendel – The Most Distant Star Yet Observed

 Looking through a telescope takes us on a journey through time as well as space. It takes time for light to cross the vast expanse of space, so when we look at distant objects through our telescopes we see them as they appeared long ago.... click to read more

  • Brian Welch | Postdoctoral Researcher at Johns Hopkins University
Views 2627
Reading time 3.5 min
published on Feb 8, 2023