What is the worlds oldest thing?

Answer 1

The Earth itself is the oldest thing on Earth.

Answer 2

The oldest thing in the world is considered to be the universe itself, estimated to be about 13.8 billion years old according to current scientific theories. Other ancient things include certain rocks and minerals on Earth that date back billions of years.

Answer 3

Zircons, a zircon is a crystal from Austrilia's Jack hills.Scientists have dated this crystal back to 4.375 billion years ago. That's 165 years before the earth was formed their must be so much we don't know about the crystal.But their is so much more we can learn from it.The zircons provide insight to what the early conditions on earth are like. Questions I have is how did this crystal survive when the earth was lava ,where did it come from, how did it get to earth?