Scientific research.
or perhaps
The history of Science.
The study of the sun and stars is a science. Along with the study of over things in space, it is known as astronomy.
The science of sound is known as acoustics. It is the study of the production, transmission, and effects of sound.
The science that studies behaviour in the animal kingdom is known as ethology.
Volcanology is the study of volcanoes. Volcanoes are part of the subject known as Earth Science.
The study of crops is known as crop science. Crop Science includes about 4700 members that are dedicated to advancing crop science.
Somnology or hypnology
He is best known for astronomy and orbital mechanics
The same way you use science to study science - you use what is already known to form theories, hypothesis, and use that knowledge to determine what you will study. You don't want to study something that is already known (unless you want to re-test it), so it helps to use what people have already discovered.
In order to study science subjects like Physics, Chemistry or Engineering Science, study of Mathematics is MUST!
The science dealing with the effects, antidotes and detection of poisons is known as Toxicology
we study science so as to develop ourselves
The study of food and its effects on the body is known as nutrition science. It involves understanding how nutrients in food interact with the body to support health and well-being.