Observing a faraway astronomical object is the current best way to understand it. If we could travel to a distant star, and look at what is going on up close, the whole process of science would be a lot faster. But our best option is... click to read more

City dwellers often dream of living in a pastoral rural area to get away from it all. However, once there, they realize rurality requires travel time to access even basic services they previously took for granted. The challenge of accessing services, such as healthcare and... click to read more

Unlike our own Blue Planet, Mars is currently too cold to sustain liquid water at its surface. At first glance, Mars 4 billion years ago should have been even colder. Back then, the Sun's brightness was only about 70% of what it is today. Yet... click to read more

In 1933, Fritz Zwicky, observing the Coma galaxy cluster, noted that single galaxies were moving too fast for the cluster to remain bound, according to the measure of visible mass. Only a far more significant amount of invisible matter could explain the strong gravitational force... click to read more

We need energy to sustain modern life. In most tropical developing countries, such as Brazil, energy is produced mainly through hydropower. This usually requires building dams, which negatively impacts the environmental and socioeconomic situation in the area. Many such dams are planned in tropical rivers, such... click to read more