Info or data
data
data
data
Pieces of information gathered through observation are called observations or data.
The pieces of information that are acquired through experimentation are called data.
Data are the pieces of information acquired through experimentation.An observation gathered from a scientific experiment is called data.
Evidence
Evidence
Evidence
Evidence
Data / findings / results, a thesaurus will give you a dozen more but it depends on the context.
Information gathered by someone who did not take part or witness is called second hand information.