विज्ञानया आधारभूत विषयतेगु धलः

For a more comprehensive list, see the List of science topics. 

Science in the broadest sense refers to any system of objective knowledge. In a more restricted sense, science refers  to a system of acquiring knowledge based on the scientific method, as well as to the organised body of knowledge humans have gained by such research.  

The following outline is provided as an overview of and introduction to science:

 Essence of science 
 Main article: Science

 Inquiry
 Objectivity

 Research
 Scientific method

 Scientist

 Branches or types of science 

Empirical science (typically what is meant by the word "science").  The two main branches of science are:
 Natural science - studies natural phenomena, including biological life
 Social science - studies  human behavior and societies

Formal science

Applied science

 Scientific fields 

 Natural sciences 

 Biology (aka Biological science) 

 Biochemistry
 Biophysics
 Botany
 Cellular biology
 Ecology
 Medicine
 Microbiology
 Molecular biology
 Physiology
 Zoology

 Physical sciences 

 Astronomy
 Chemistry
 Earth sciences
 Physics

 Social sciences 

 Anthropology
 Communication
 Cultural studies
 Economics 
 Education

 Geography
 History
 Linguistics
 Law (but see below)
 Political science

 Psychology (but see below)
 Social policy
 Sociology
 Development studies

 Formal sciences 

 Logic - see the List of basic topics in logic
 Mathematics - sometimes referred to as the "third science". See the List of basic mathematics topics
 and the theoretical branches of
 Computer science
 Information theory
 Statistics - see the List of basic statistics topics Applied sciences 

 Engineering - see the List of basic engineering topics Technology - see the List of basic technology topics History of science 
 Main article: History of science History of science in general
 History of scientific method
 Theories/sociology of science
 Historiography
 History of pseudoscience 
 By era
 History of science in early cultures
 History of science in Classical Antiquity
 History of science in the Middle Ages
 History of science in the Renaissance
 Scientific revolution
 History of natural science
 Natural philosophy
 History of biology
 Natural history
 History of ecology
 History of molecular biology
 History of physical science
 History of nature
 History of astronomy, timeline
 History of chemistry
 History of earth science
 History of geography
 History of geology, timeline
 History of meteorology, timeline
 History of physics

 History of the social sciences
 History of science and technology
 History of scientific method
 History of society
 History of archaeology, timeline
 History of business
 History of cognitive science
 History of community
 History of criminal justice
 History of critical theory
 History of economics
 History of education
 History of finance
 History of law
 History of linguistics
 History of management
 History of marketing
 History of parapsychology
 History of political science
 History of psychology, timeline
 History of public affairs
 History of sociology, timeline

 See also: List of basic technology topics: History of technology

 Basic science concepts 
 Biological terms 

 Underlying and unifying principles of the biological sciences:
 Universality
 Evolution
 Diversity
 Continuity
 Genetics
 Homeostasis
 Interactions

 Famous scientists 
 Main list: List of scientists

 Aristotle
 Archimedes
 Andreas Vesalius
 Nicolaus Copernicus
 Galileo Galilei
 Johannes Kepler
 René Descartes
 Isaac Newton
 Leonhard Euler
 Pierre-Simon Laplace
 Alexander von Humboldt
 Charles Darwin
 James Clerk Maxwell
 Marie Curie
 Albert Einstein
 Linus Pauling
 John Bardeen
 Frederick Sanger

 Science lists 
 Main article: List of science topics

 List of scientists

Science
Category:Science