The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

The moon, however, may not be in the clear. When first discovered in December, Asteroid 2024 YR4 had a small but notable chance of impacting Earth in 2032, according to information from NASA's ...

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 ...

A total lunar eclipse occurs when the Earth is positioned between the moon and sun, blocking sunlight from the moon. During a total lunar eclipse, the moon appears dim and reddish orange.

This celestial event happens when the Earth is positioned directly between the sun and a full moon, casting a shadow on the lunar surface. The eclipse will be visible to the naked eye, but ...

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 ...