In a study published Wednesday in the journal Nature, astronomers describe the youngest transiting planet ever found. It’s ...

New research offers a potential explanation for the formation of early Earth protocells. Few questions have captivated ...

However, we did not find evidence for photosynthesis (which some bacteria ... and life itself must have evolved rapidly, almost right after the Earth was formed. Our reconstruction of Luca is not the ...

Our ancestors had no problem with the idea that the sun would rise and set every day, providing light and warmth, forever.

Full view of how bones and joints form in the first trimester uncovers cells and pathways that could help diagnose and treat skeletal conditions in the future.

Around 700 million years ago, Earth experienced a climate catastrophe so severe that ice sheets covered the planet from pole ...

Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...

Finding evidence for the first life ever to emerge on planet earth is a long, tough slog. But oddly enough, real answers may ultimately come from Mars.