As of Tuesday, Sept. 23, the moon phase is Waxing Crescent, and according to NASA's Daily Moon Observation, there's just 3% ...

Lunar minerals generate the rust mineral hematite when bombarded with high-energy oxygen particles, simulations show.

Building blocks of life have been found on this moon of Saturn. They may come from chemical reactions beyond Enceladus’ possible life-supporting ocean.

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

A new moon is when the moon shares the same celestial longitude as the sun; the two bodies are said to be in conjunction.

Catch a delicate crescent moon from Sept. 23–27 and watch it pair with Spica, Mars and Antares in the west after sunset.

So do China and Russia. Here’s what you need to know about America’s new lunar-energy race ...

Early risers across the globe were treated to a rare and visually striking celestial event on September 19, as the waning ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

THE term “harvest moon,” originating in England, where the brilliant moon-light of several consecutive evenings aided the ...

Some observers may have noticed a faint glow illuminating the darker portion of the moon-a phenomenon known as Earthshine or the Da Vinci glow. It occurs when sunlight reflects off Earth and softly ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...