Did You Know? Earth is 4.54 billion years old.

Earth is 4.54 billion years old. Using radiometric dating, scientists have discovered that the Earth is 4.54 billion years old (give or take 50 million years). This makes our planet half the age of the Milky Way Galaxy (11-13 billion years old) and around a third of the age of the Universe (10-15 billion years old).