Our planet, Earth, is estimated to be approximately 4.5 billion years old. It is the oldest known object in our solar system.
Based on scientific observations and measurements, the estimated age of the universe is 13.8 billion years.
With dates of over 4 billion years, certain rocks on Earth's surface provide light on the planet's early geological past.
Evidence of life that existed millions or even billions of years ago can be found in fossils, which are the preserved remains or traces of extinct species.
The Great Pyramid of Giza in Egypt is one of the oldest man-made structures and dates back to around 2560 BCE.
Various megalithic structures, such as Stonehenge in England and Gobekli Tepe in Turkey, are believed to be over 5,000 years old
Numerous ancient artifacts, including pottery, tools, and artwork, have been discovered around the world, providing insights into early human civilizations.
Methuselah, a bristlecone pine tree found in California's White Mountains, is said to be among the planet's oldest living things, dating back more than 4,800 years.