28/05/2026
Around 66 million years ago, Earth experienced one of the most catastrophic events in its history. A massive asteroid, estimated to be about 6 to 9 miles (10 to 15 kilometers) wide, slammed into what is now the Yucatán Peninsula in Mexico, leaving behind the enormous Chicxulub Crater and triggering a chain of events that transformed life on the planet forever.
The crater, named after the nearby town of Chicxulub, Mexico, marks the site of the asteroid impact that scientists believe helped wipe out roughly 75% of all species on Earth, including the non-avian dinosaurs. Researchers estimate the impact released energy equivalent to billions of atomic bombs, instantly igniting wildfires, triggering massive earthquakes, and sending shockwaves across continents.
For decades, scientists searched for the exact location of the impact until geologists confirmed the buried crater beneath Mexico’s Yucatán Peninsula. Today, much of the crater remains hidden underground and partially beneath the Gulf of Mexico, stretching roughly 110 miles (180 kilometers) wide, making it one of the largest known impact craters on Earth.
The disaster did not kill dinosaurs instantly everywhere. Instead, scientists believe the asteroid launched enormous amounts of dust, sulfur, and debris into the atmosphere, blocking sunlight for months or even years. Global temperatures dropped, plants struggled to survive, food chains collapsed, and ecosystems rapidly failed. Large animals, including most dinosaurs, could not adapt to the sudden environmental collapse.
However, not all dinosaurs vanished. Scientists classify modern birds as surviving avian dinosaurs, meaning some dinosaur descendants still exist today. Small mammals, birds, reptiles, and other adaptable species survived the catastrophe and eventually helped shape the modern world.
In recent years, researchers drilling into the crater have discovered important clues buried beneath Chicxulub, including shocked rocks, melted minerals, and evidence of the violent aftermath. These findings continue to help scientists understand not only how dinosaurs disappeared, but how mass extinctions can reshape life on Earth.
The Chicxulub impact remains one of the most important events in Earth’s history, marking the dramatic end of the age of giant dinosaurs and opening the path for mammals — and eventually humans — to rise.