Alien worlds have long been a staple of science fiction. But today, thanks to modern astronomical instrumentation and the achievements of many enterprising observational …
Though astrophysicists have developed a theoretical framework for understanding how the first stars and galaxies formed, only now are we able to begin testing those theories with …
What we know about dark matter and what we have yet to discoverAstronomical observations have confirmed dark matter’s existence, but what exactly is dark matter? In What Is Dark …