If you have had the opportunity to climb up to the top of a tall mountain, you have probably noticed that as you go up the trees become smaller and smaller, until they disappear from the landscape, and only small shrubs, grasses and herbs fill... click to read more

I invite you to use Google Earth and explore Mars. Look at the Martian southern hemisphere, and find an arid landscape littered with fossil valleys. These valleys speak of a remote past, when the red planet had water on its surface. There are thousands... click to read more

Predicting how the climate on our planet is evolving is crucial, especially under the ongoing climate change. But it is a challenging task, because the Earth climate is a complex, ever-changing system, involving many different factors influencing each other: sunlight, atmospheric carbon dioxide, polar ice... 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

The shape of Earth's surface can tell us a lot about what kinds of natural events have happened in a region and when. Heavy rainfall, for instance, causes rivers to swell, which can force a river to erode faster into its bed. This connection between... click to read more