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

Eighty-five percent of the mass in our Universe is the mysterious substance named dark matter. Besides giving it a name, however, we know little else about it. How can we claim we know dark matter exists if we can't even see it? Through gravity. Just... click to read more

What's out there? — We always have lots to learn from "others". The hunt for extrasolar planets (exoplanets) sets us to explore the diversity of the universe around us. An exoplanet is a planet orbiting around a star outside the Solar System. In the last few... click to read more