The evolution of planet Earth over 4.5 billion years. Dive into the most dramatic events in Earth’s 4.5-billion-year history, from its birth to the emergence of humanity.

Michael Moore on Tuesday dropped a new film about climate change called “Planet of the Humans” that he executive produced on the eve of the 50th anniversary of Earth Day.

Earth as oxygenator. Earth loses about 90 tons of gas—mainly hydrogen and helium—to space every day. That’s tiny compared to the mass of our atmosphere, so there’s no cause for alarm. But ...

‘Spaceship Earth’ Film Review: Biosphere 2 Documentary Tells a Story Too Strange Not to Be True. ... What worried the do-gooders and scientists back in the ’80s is now a full-blown crisis, ...