The Major Histocompatibility Complex region evolves via gene birth-and-death, resulting in short-lived genes, rapidly expanding gene subfamilies, and many gene fragments.

Secretary of State Marco Rubio told US senators Saturday that the sweeping peace plan to end the nearly four-year war between Russia and Ukraine was not America’s — but merely a “leaked” Russian “wish ...

The UN’s approval of a US-backed Gaza security force could be a turning point for stability, but the real challenge lies in execution and disarming Hamas. See more on ...