What if Venus became Earth's moon? Explore how our planet would change if Earth’s twin, a planet almost the same size and ...

Watch the epic view of the moon and Earth captured by the Orion spacecraft ahead of its outbound powered flyby. Credit: NASA ...

YR4 won’t hit Earth, but a 4% chance remains for a lunar impact. ESA's upcoming NEOMIR telescope could revolutionize early ...

An asteroid called 2020 CD3 was bound to Earth for several years before leaving the planet's orbit in 2020 and another called 2022 NX1 became a mini-moon of Earth in 1981 and 2022 and will return ...

Earth will get itself another moon this month, but only briefly. The "mini-moon" in the form of asteroid 2024 PT5 will stick around for just two months. Skip to main content.

If a huge asteroid smashes into the moon in 2032, the gigantic explosion would send debris streaming toward Earth that would ...

Earth is no longer at risk of a direct collision with the asteroid 2024 YR4, but an impact on the moon in 2032 could send ...

In order to be considered a "mini-moon," an incoming object must reach Earth at a range around 2.8 million miles and at a steady space of about 2,200 mph, according to Marcos.

Earth doesn't really have a second moon—but here's what would happen if we did. If you were hoping to see the “mini moon,” you’ve probably been disappointed.

Earth's Moon was born around 4.5 billion years ago in a titanic collision between our planet and a Mars-sized sibling, according to the leading theory.

The Moon continues to spin away from the Earth, at the rate of 3.78cm (1.48in) per year, at about the same speed at which our fingernails grow.

Forming a Moon with an Earth-like Composition via a Giant Impact. Robin M. Canup in Science, Vol. 338, pages 1052–1055; November 23, 2012. Tidal Evolution of the Moon from a High-Obliquity, High ...