Is the Sun a Sun-like star? Asking this oxymoronic question might sound strange to most people, but not to astronomers. Comparing the Sun with other stars is a common technique to better understand the Sun and its behavior. Of particular interest here are stars very... click to read more

In the 21st Century, sea-level rise is one of the most pressing concerns for coastal communities worldwide. However, this is not the first time that humans have been forced to respond to rising sea levels. Sea‑level rise shapes coastlines, causes more frequent flooding events and... click to read more

Today's atmospheric carbon dioxide (CO2) levels are higher than ever during at least the last 800'000 years. More importantly, the atmospheric levels of this greenhouse gas continue rising at a speed that is unparalleled in our planet's recent geological history. Intensifying extreme weather events and... click to read more

Fisheries have an important impact on ocean health, but what if we could protect our oceans and eat it too. Setting aside ocean areas for marine conservation helps preserve marine habitats and biodiversity, but can also help sustain fisheries. No-take zones that prohibit fishing activities are... click to read more

Water is crucial to life on Earth. It is also present on other planets and solar system bodies. Indeed, ground-based radar observations and space probe data indicated the presence of frozen water ice even on Mercury, the hottest planet in our solar system! Water, in... click to read more