The new findings strengthen the "RNA world" hypothesis that describes how the first life on Earth could have used RNA instead of DNA.

Illnesses linked to the New York-based Live it Up Super Greens brand powder were reported in 21 states from Aug. 22 to Dec. 30, 2025.

Boeing and NASA have agreed to keep astronauts off the company’s next Starliner flight and instead perform a trial run with cargo to prove its safety. Monday’s announcement comes eight months after the first and only Starliner crew returned to Earth aboard SpaceX after a prolonged mission. Although NASA test pilots Butch Wilmore and Suni Williams managed to dock Starliner to the International Space Station in 2024, the capsule had so many problems that NASA ordered it to come back empty, leavi