One significant finding is that the moon-forming impact likely occurred 60-175 million years after the solar system’s birth. The Early Earth and Moon. After the moon-forming collision, ...

One significant finding is that the moon-forming impact likely occurred 60-175 million years after the solar system’s birth. Samples of lunar rock brought back by the Apollo 15 mission.

The South Pole-Aitken basin is the moon's oldest and largest visible crater—a massive geological wound 4 billion years old that preserves secrets about the moon's early history, much like a ...

The largest and oldest-known impact site on the moon is the South Pole-Aitken (SPA) basin, stretching nearly 1,250 miles (2,000 kilometers) across the far side of the moon. Thanks to new research ...

Furrows forming concentric circles around a specific point mark the moon's surface, which researchers have speculated since the 1980s resulted from a massive asteroid impact.

A primordial collision of two moons that once orbited Earth explains why the present-day moon is a bit lopsided and its far side much rockier than the lunar surface facing our planet, scientists ...

Asteroid impact on moon blasted two grand canyons in 10 minutes. By Will Dunham. February 4, 2025 5:02 PM UTC Updated February 4, 2025 Item 1 of 3 An undated artistic rendering ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles within this cloud collided and clumped together, driven by gravity and ...