Newly formed moon crater is once-in-a-century discovery

In 2024, a space rock slammed into the moon, creating a new crater in the surface. The newly formed moon crater is about 728 feet wide and 141 feet deep. The science-journalism coverage adds useful context, while the strongest evidential footing still comes from the underlying data, papers or institutional documentation.

It is relevant because Earth science becomes stronger when local observations can be placed inside a broader physical pattern that spans time and geography. The planet operates as a coupled system in which atmospheric, oceanic, cryospheric and solid-Earth processes interact across timescales from days to millions of years. A measurement that captures one variable at one location and one moment has limited interpretive value until it is embedded in the longer series and wider spatial coverage that allow natural variability to be separated from forced change. In 2024, a space rock slammed into the moon, creating a new crater in the surface. Sometime between April 11 and May 22, 2024, a comet or asteroid the size of a 3- to 6-story building hit the moon.

The crater formed between April 11 and May 22, 2024, when a rock the size of a 3- to 6-story building hit the moon. NASA published this original story on September 16, 2026.

The crater formed on the moon’s eastern edge sometime between April 11 and May 22, 2024, after a comet or asteroid the size of a three- to six-story building hit the surface. The first was published by Science Advances on September 16, 2026.

The peer-reviewed Science Advances also published the second paper on September 16, 2026. The spacecraft’s team has identified at least 1, 000 new impact craters throughout the mission and flagged 100, 000 more surface changes from an object smashing into the moon or.

The broader interest lies in linking the observation to climatic, geophysical or environmental dynamics that extend well beyond the immediate event or location. Earth science is unusual in that its most important questions operate on timescales that no single research career can observe directly, making the archival record, whether in ice, sediment, rock or satellite data, as important as any new measurement. Results that can be embedded in that record, and that either confirm or challenge the patterns it reveals, carry disproportionate scientific weight.

Scientists estimate that impacts of this scale produce about 140 new craters across the moon each year. Road to discovery of newly formed moon crater The Lunar Reconnaissance Orbiter collects images from about 60 miles (96 km) above the moon as it loops from pole to pole.

Because this item comes through EarthSky as science journalism, it should be treated as contextual reporting rather than primary evidence. Good science reporting can identify why a result matters, connect it to the wider literature and make technical work readable, but the decisive evidence remains in the original paper, dataset, mission release or technical record. That distinction is especially important when a story is later repeated by aggregators, because repetition increases visibility, not evidential strength.

The next step is to place the result inside longer time series and to compare it with independent instruments and independent sites. Earth system observations gain most of their interpretive power from network density and temporal depth, not from any single measurement however precise. Model simulations that assimilate the new data will help clarify whether the observation fits comfortably within known natural variability or represents a shift that existing models do not reproduce.

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