January 22, 2026 • Beef is back on top. Well, at least on top of Health Secretary Robert F. Kennedy Jr.’s new food pyramid, unveiled alongside updated national dietary guidelines. Red meat really ...

The Kremlin appears to be counting on Donald Trump to legitimize its claims of a Ukrainian attack on President Vladimir Putin’s home—an attack the U.S. president was “very angry” about until he ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...