Two moons orbit Mars, and one of them may be on a path to extinction. However, will this prediction actually come to pass?

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

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 ...

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 ...

The waning crescent moon will appear nestled close to Venus and Regulus, one of the brightest stars in the constellation Leo.

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

See the crescent moon shine with Mars at sunset on Sept. 24. The crescent moon shines close to Mars above the western horizon ...

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

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 ...

NASA unveiled 10 recruits who will undergo training to become eligible for future missions that could carry humans deeper into the cosmos than ever.

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 ...

NASA spotted a new moon almost at the border of our solar system. Back in 1986, a theory came up that this cosmic body could ...