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

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

But it’s not just looks. Rocky composition, general size, orbital behaviors—a lot of those qualities can be the same on both ...

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 ...

Check out the lazy river. Northrop Grumman's new "Cygnus XL" cargo ship reached the International Space Station this morning ...

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

Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in the predawn sky on Sept. 19, while others will see the lunar disk pass ...

The next full moon of 2025 will arrive two days before Valentine's Day this year. Known as the "snow moon," the full moon will be visible Feb. 12. The snow moon won't be the only event to keep ...

Moons outside our Solar System with the potential to support life have just become much easier to detect, thanks to research by an astronomer at University College London (UCL). David Kipping, whose ...

Just before sunrise, the waning crescent moon, the brilliant planet Venus, and Regulus, the brightest star in the ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This ...