Jeffrey A. Hoffman

There’s no place like home. We wrap up the whole series through the story of nasa’s most experienced female astronaut, Peggy Whitson, as she returns home to earth. We might…

The freak accident behind complex life. All life on earth started as single cell bacteria and stayed like that for 2 billion years. Successfully spreading across the planet. So even…

Earth gives birth to life. The building blocks of life are common across the universe, but life is rare. What’s so special about Earth that it emerged here? Only here…

Earth protects itself from the sun. The David and Goliath story of Earth’s relationship with its greatest threat, our seemingly benign Sun. The Sun is the big violent boss of…

Our perfectly calibrated, breathing planet. For those privileged few who have seen Earth from space, the very first thing they notice is the thin blue line of atmosphere that clings…