Final answer:
The process that each article goes through before being published in a scientific journal is called peer review.
Step-by-step explanation:
The process that each article goes through before being published in a scientific journal is called peer review. Peer review is a formal process in which articles are evaluated by experts in the field to ensure originality, significance, and quality before being accepted into scientific literature. The editor of the journal sends the article to several other scientists who assess its validity and importance. Based on their feedback, the article may be accepted with or without revisions, or it may be rejected.