But we don't know exactly when or how. Now, scientists have made new measurements on moon rocks from the Apollo missions to set a date for the time the moon solidified: 4.43 billion years ago.

Io is Jupiter's third-largest moon, spanning roughly 2,300 miles (3,700 kilometers) across, which makes it slightly bigger than Earth's moon. It orbits Jupiter at a distance of around 262,000 ...

Paris Jackson arrives at Steven Tyler's 2025 'Jam for Janie' Grammy viewing party at the Hollywood Palladium. The singer and actress stunned in a brown dress for the 6th annual viewing party event ...

What facts about rocks do you know? Even though rocks and minerals are abundantly available, many people do not take an interest in them, yet there is a lot to learn about them. Moreover, they are one ...

The dark skies during a new moon provide ideal conditions for spotting skywatching targets that would otherwise be outshined by moonlight. The next new moon will occur on Thursday, Feb. 27 at 7:45 ...

Jupiter's volcanic moon Io as captured by the Juno spacecraft on Oct. 15, 2023. Credit: NASA / JPL-Caltech / SwRI / MSSS / Image processing by Ted Stryk On Dec. 27, 2024, NASA's Juno spacecraft ...

A chunk of space rock that visited near Earth's orbit last year was widely referred to as a "mini-moon." Turns out the lunar-inspired moniker may have been more accurate than we realized.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A small space rock ...

At 7:36 a.m. EST, today is every stargazer’s favorite moment of the month — the new moon. This lunar phase sees the moon roughly between the Earth and the sun, making the moon invisible but ...

Often considered barren, the moon now reveals secrets that can alter future space exploration and human habitation. Chinese scientists have developed a revolutionary process to extract water using ...