Solar System News

New estimates based on Mercury's surface wrinkles indicate that the planet is shrinking at a faster rate than previously believed.

Scientists propose that Venus may have once had a moon that was eventually consumed by the planet due to gravitational forces, explaining why Earth's twin lacks

New simulations suggest that Earth's moon could have formed in as little as five hours following a giant impact between Earth and a Mars-sized protoplanet. This

NASA's New Horizons spacecraft visited Arrokoth in 2019, revealing its two-lobed structure and red surface, providing insights into the early solar system.

New supercomputer models suggest the Milky Way's spiral disk may have flipped 90 degrees in the past, potentially altering the solar system's orbit. This phenom