Wits University is one of the only internationally accredited institutions in South Africa for meteorites. Gibson and his colleagues track meteorite finds and falls all over the country.

The meteorite was 40-60km in diameter and left ... Carrying sledge hammers, scientists hiked to the impact site in South Africa to chisel off chunks of rock to understand the crash.

occur when large meteorites hit Earth, and they form sedimentary layers in rocks that are known as spherule beds. The team ...