Galaxy clusters are the biggest gravitationally-bound objects in the Universe, millions of light years across, some as massive as a quadrillion (10^15) suns. They contain thousands of galaxies and are filled with 100-million-degree plasma, so tenuous it is a million times less dense than the... click to read more

Climate change poses a concrete threat to arid ecosystems, in which water is limited (it rains less than 65% of what is evaporated). These dry ecosystems cover almost half of the terrestrial surface and are predicted to go through increased aridification, which endangers the plants... click to read more

Historically, violent conflicts tend to predominantly erupt in bad years, when droughts, floods, or heatwaves put the functioning of societies to the test. Does this mean that violent conflicts will become more frequent as extreme weather becomes increasingly common, globally, because of climate change? While each... click to read more

The Ganges delta is the largest and most fertile river delta in the world, and home for nearly 200 million people. The low-lying delta plain, covering two-thirds of Bangladesh, stands less than one meter above sea level. The rising water-level in the delta is causing... click to read more

The Earth has experienced rapid warming in recent decades. This warming is caused by increased emissions of greenhouse gases related to human activities, as found by the Intergovernmental Panel on Climate Change (IPCC). The ocean is an important player in this process, as it is... click to read more