STIX Two Text
Google Fonts · 2016

A rigorous transitional serif built for academic and scientific publishing, with broad multilingual coverage across Latin, Cyrillic, and Greek.
About
STIX Two Text was developed to meet the demanding requirements of scientific journal publishing, where clarity, consistency, and script range are non-negotiable. Its four weights provide modest but sufficient flexibility for body text hierarchies in long-form documents. The Greek and Cyrillic support is particularly thorough, making it a rare workhorse for multilingual academic typesetting.
Classification
STIX Two Text is a refined transitional serif with moderate contrast and sturdy stroke construction, designed for extended reading in academic and scientific contexts. It supports Cyrillic, Greek, and Latin scripts, making it one of the more linguistically complete serif text faces available.