The impact crater of the second one lies unseen, 300m under the floor of the Atlantic Ocean. Discovered in 2022, the Nadir crater lies off the coast of Guinea, West Africa. The 400m-wide asteroid ...

The 5-mile-wide Nadir Crater was found nearly a thousand feet under the floor of the Atlantic Ocean. Dr Uisdean Nicholson was part of the group that first found it a little over five years ago ...

They flattened forests, left massive craters and even killed the dinosaurs. Learn all about Earth’s hugest asteroid strikes.

New Evidence of a Second Asteroid Impact A lesser-known crater, the Nadir, was discovered off the coast of West Africa, leading scientists to believe another asteroid hit Earth around the ...

Led by Curtin University geologists Chris Kirkland and Tim Johnson, a research team unearthed this primeval crater beneath ...

Researchers mapped an underwater crater off the coast of Guinea, known as the Nadir crater, which spans over 8 kilometres in diameter and was formed by an asteroid approximately 400 meters wide.