Ancient zircon crystal dated to Moon's crystallization moment

In the ancient red earth of Western Australia, a crystal no larger than a fingertip has become a messenger from the solar system's earliest chapter. Dated to 4.404 billion years ago, the Jack Hills zircon now aligns with new research suggesting the Moon completed its own fiery crystallization at precisely the same moment — a convergence that hints Earth and its satellite were shaped by the same cosmic breath. For scientists who read time in radioactive decay, this tiny mineral offers not just a date, but a shared origin story written in stone.