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.