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New story in Science and Health from TIME: NASA’s Perseverance Rover Embarks On the Agency’s Most Ambitious Mars Mission Yet

Children May Carry Coronavirus at High Levels, Study Finds

New story in Science and Health from TIME: NASA Launches Mars Rover to Look For Signs of Ancient Life

Johnson & Johnson’s Coronavirus Vaccine Protects Monkeys, Study Finds

A Covid Patient Goes Home After a Rare Double Lung Transplant

Old Vaccines May Stop the Coronavirus, Study Hints. Scientists Are Skeptical.

School Closures in the Spring Saved Lives, Study Asserts