Illustration of a stage in the formation of the Earth-moon system. The Earth had recently formed (4,600 million years ago) when it was struck by a large protoplanet, sometimes dubbed Theia ...

CAPE CANAVERAL, Fla. — A private lunar lander has captured the first high-definition sunset pictures from the moon. Firefly ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...

A "blood moon" happens when Earth's moon is in a total lunar eclipse. While it has no special astronomical significance, the view in the sky is striking as the usually whitish moon becomes red or ...

Lunar eclipses are a popular event for skywatchers worldwide. Lunar eclipses occur when Earth moves between the sun and the moon, casting a shadow across the lunar surface. Lunar eclipses can only ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. While parts of the ...

Stargazers across a swathe of the world marvelled at a dramatic red "Blood Moon" during a rare total lunar eclipse in the early hours of Friday morning. The celestial spectacle was visible in the ...

The phenomenon happens when the Sun, Earth and Moon line up, causing our planet to cast a giant shadow across its satellite. But as the Earth's shadow crept across the Moon, it did not entirely ...