Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in ...

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 ...

Is it a full moon tonight? Wondering what is the planet and bright star shining next to the moon? Here's what to know and how ...

Asteroid 2024 PT5 is considered Earth's mini-moon and may be a key target for potential asteroid mining operations.

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 ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

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

Astronomers have identified a tiny quasi-moon, 2025 PN7, orbiting near Earth for about 60 years. This 62-foot-wide near-Earth ...

Saturn will put on a show for professional and backyard astromers alike, and be the brightest and closest it has been to ...

Watch the crescent moon, Venus and the bright star Regulus align in a rare predawn close conjunction tomorrow.

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.

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