Scientists are looking into the secret of a mysterious crater found in the Atlantic Ocean off the coast of West Africa, where a new landmark, called the Nadir Crater, was discovered 248 miles (400 km) off the coast of Guinea in West Africa, located about 1,000 feet (300 m) below the sea floor, and the crater is just over 5 miles (8 km) wide.
According to the British newspaper, "Daily Mail", the site of the crater is not the size of the Chicxulub crater in Mexico, which was left by the asteroid that killed the dinosaurs, but it is of the same age.
It has raised questions about whether Earth was exposed to more than one space rock during that disastrous period in natural history.
If confirmed, this would also be of great scientific interest, as it would be one of the few known marine asteroid impacts, so it may provide new insights into what happens during such an asteroid collision.
This proposal was also outlined by Dr Uisdean Nicholson of Heriot-Watt University in Edinburgh, who has been analyzing seismic survey data to better understand past climate changes on Earth.
The world believes that it was most likely caused by the collision of an asteroid more than 1,300 feet (400 meters) wide with the Earth's crust.