Sharmila Kuthunur is a Seattle-based science journalist focusing on astronomy and space exploration. Her work has also appeared in Scientific American, Space.com, and Astronomy, among other publications. She earned a master's degree in journalism from Northeastern University in Boston. Follow her on BlueSky: @skuthunur.bsky.social
Here is the origin story of Earth—the only place we know life to exist.
Despite its timeless appearance, the moon has not always been in Earth's orbit, and scientists continue to investigate its true age.
The moon is scattered with buggies, memorabilia and even human waste that astronauts left behind—some intentionally, others out of necessity—during the Apollo era.
Early in its existence, massive asteroids smashed into Earth with lasting consequences for our planet’s geology and life.