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 ...

The partial solar eclipse was visible to over 16 million people when it darkened the sky over the Pacific on Sept. 21-22 ...

Using the world’s largest digital camera, Rubin will capture a full view of the southern sky every three days.

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 ...

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 ...

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 ...

Regulus, a distant star, Venus and our moon will be visible during a conjunction tonight, and how Californians can best see ...

Did you see the bright star next to the moon? That was Venus, and part of a conjunction between the moon, Venus and the star ...