A computer visualization maps small bodies in the solar system that are expected to be observed by the Rubin Observatory during the 10-year Legacy Survey of Space and Time. Red indicates near-Earth ...

The mystery of the Earth and Moon’s similarity Early models of the Moon’s formation predicted that the Moon should mostly consist of Theia’s material. But scientists noticed a puzzle: Earth and the ...

Two enormous space rocks have slammed together in a nearby planetary system, and for the first time astronomers have watched the dusty aftermath unfold almost in real time. The violent impact, ...