Scientists in China have performed an experiment first proposed by Albert Einstein almost a century ago when he sought to ...

NASA’s Space Biology program investigates primary mechanisms behind changes in living systems due to spaceflight and microgravity in hopes of developing the foundations for a human presence in space ...

TURLOCK, Calif. — For much of his young life, Jorge Sanchez regularly gasped for air, at times coughing so violently that he'd almost throw up. His mother whisked him to the emergency room late at ...