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

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 ...

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 ...

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

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

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.

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

Many of us will know Uranus as the seventh planet from the sun or as the butt of a cosmic joke. This incredibly cold, ice ...

Exomoons are a hot topic in the science community, as none have been confirmed with astronomers finding new and creative ways ...

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

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 ...