Eons ago, in the frigid depths of our solar system, a dramatic collision occurred between two icy worlds. Instead of a catastrophic smash-up, the two bodies "kissed," merging temporarily like a ...

Hubble Space Telescope images have revealed a second massive collision between planetary bodies orbiting the nearby star Fomalhaut, roughly 25 light-years from Earth. The discovery, reported in a peer ...

How did the Moon form? Was it from a collision, as has been the longstanding theory, or could it have been captured by the Earth early in our planet’s formation? This is what a recent study published ...

China’s Chang’e-6 mission has returned nearly two kilograms of rock and soil from the moon’s far side, and the laboratory results are forcing scientists to rethink how the moon formed and evolved.