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 ...

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 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.

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

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.

Astronomers have found yet another quasi-moon companion of Earth in its orbit around the Sun believed to be a chunk of our ...

Three celestial bodies are about to meet up for one night in September in a conjunction that should be widely visible in the U.S. – including Florida.

A small asteroid has been quietly following the Earth around the sun for decades, and this "quasi-moon" is expected to stick ...

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers ...