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 ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

En route to land on the moon, a spacecraft snapped views of Earth eclipsing the sun. The Blue Ghost lunar lander, built by ...

An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.

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 ...

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 ...

Over the last century, our understanding of the evolution of stars has improved dramatically. By studying the cosmos, we have gained a pretty good theoretical model of how stars change over their ...

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

Stargazers worldwide have been treated to the first glorious night sky sight of 2025 — a panorama of bright planet Venus and a delicate crescent moon ... the sun 13 times from Earth's point ...

En route to land on the moon, a spacecraft snapped views of Earth eclipsing the sun. The Blue Ghost lunar lander, built by the Texas-based company Firefly Aerospace for NASA, launched to space on ...