Earth's shadow follows the planet as it orbits the sun. You can get a sense of its enormous, awe-inspiring size by seeing ...

Oxygen isotope analysis of lunar soil shows meteorites delivered only a limited amount of water to the Earth–Moon system ...

Scientists observe a dramatic collision between two planets, offering insights into the formation of Earth's Moon 4.5 billion years ago.

The Moon may preserve a chemical record of Earth’s ancient atmosphere, and those same materials could one day support future lunar missions.

Astronomers say a distant, sunlike star shows signs of a catastrophic planet-on-planet crash that may mirror the ancient impact that formed Earth's moon.

In the study of lunar eclipses, NASA’s research into the varying shades and hues of a total lunar eclipse provides fascinating insights into the impact of this astronomical event on Earth’s atmosphere ...

The discovery of a new celestial object in the Earth's neighborhood has created a buzz online asking whether the planet now has a second moon in its orbit. Any thoughts that Earth is now going to be ...

Earth's quasi-moons are not actually moons, but temporary asteroids that eventually leave Earth’s orbit JPL-Caltech/NASA A new "quasi-moon" named 2025 PN7 has been discovered, according to a ...