Human-like aliens are hypothetical extraterrestrial beings that resemble humans in physical appearance and behavior. They may have similar features such as two arms, two legs, and a head, which could make them relatable to us. Scientists and writers often explore the idea of human-like aliens in science fiction to examine the possibilities of life beyond Earth. These beings might possess advanced intelligence and technology, potentially allowing for communication and interaction with humans. The concept raises questions about evolution, biology, and the conditions necessary for life, prompting discussions about how life might develop on other planets in the universe.