Over 4.6 billion years ago, the early Earth emerged from a swirling disk of gas and dust encircling the young sun. This ...

because the illuminated side of the moon is facing away from Earth, toward the sun. The moon is also in the sky during the day, and without its Earth-facing side illuminated by the sun ...

A new study suggests that the Moon is significantly older than previously believed, possibly forming up to 4.51 billion years ...

Our rocky satellite's real age is concealed by a "remelting" event that caused its surface to liquify, distorting the story ...

The “blood moon” effect occurs only when there is a full moon and the sun, Earth, and moon are precisely aligned so that our planet's shadow blankets the moon’s disk in the sky. Stargazers ...

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 new study published on December 18 in Nature offers a way to explain that 150-million-year gap. Computer modeling and ...

A new moon occurs when the moon is directly between Earth and the sun, with its shadowed side pointing towards us. You can see a new moon when it crosses the face of the sun during a solar eclipse.

Scientists have shown that a "remelting event" more than 4.3 billion years ago "reset" the internal clock of most lunar rocks ...

A full moon happens when the sun fully illuminates the moon and is visible from the Earth. The sun, Earth, and moon are all in alignment whenever a full moon occurs. Here is when you can see all ...