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

Some observers may have noticed a faint glow illuminating the darker portion of the moon-a phenomenon known as Earthshine or ...

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

On Sept. 21, 2003, NASA's Galileo mission to Jupiter and its moons came to an end. After 14 years of exploration, the Galileo ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...

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 bold question-askers at What If explore what Earth would be like as a moon of Jupiter. DOJ investigated Trump border czar ...

Whether you are in the U.S. hoping to spot Venus beside the moon today, or in Europe awaiting the rare occultation, September ...

After September 23, 2025, three zodiac signs stop feeling so stuck in life. The transit Moon square Jupiter magnifies ...

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 horoscope for the week of September 21–27 begins under the influence of a potent New Moon in Virgo, ushering in ...

NASA has estimated that the metals in these asteroids could be worth as much as $10 billion per person, and mining the richest ten asteroids could yield $1.5 trillion. However, the actual extraction ...