Residents initially mistook the cluster for tangled tree roots nearby. The unusual formation remained still, raising little suspicion at first. Eyewitnesses said curiosity led someone to throw a stone ...

An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud, and are still loosely gravitationally bound to each other. In contrast, globular clusters ...

Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...