Science is a systematic and logical approach to discovering and understanding the natural world through observation, experimentation, and the formulation of testable explanations. It's a continuous process of inquiry that involves:

1. Observation: Carefully observing phenomena in the natural world.

2. Hypothesis: Developing testable explanations or predictions based on observations.

3. Experimentation: Conducting controlled experiments to test the hypotheses and gather data.

4. Analysis: Analyzing the experimental data and drawing conclusions.

5. Theory: Formulating explanations based on the accumulated evidence and testing them against new observations.

Key characteristics of science include:

* Empirical: Based on evidence from the natural world.

* Objective: Striving for unbiased and impartial conclusions.

* Testable: Hypotheses and theories must be capable of being tested.

* Falsifiable: Theories can be proven wrong by evidence.

* Peer-reviewed: Scientific findings are evaluated by other experts in the field.

Science is not just a body of knowledge, but a dynamic and evolving process. It involves ongoing questioning, exploration, and refinement of our understanding of the universe.