NASA has discovered a new asteroid, 2024 YR4, which has the highest impact probability on record, with a 1 in 25,000 chance ...
A photo taken on May 29, 2020 shows a general view of the crater of the Hallasan volcano, or Mount Halla, on Jeju island. - Hallasan is South Korea's highest mountain at 1947 metres. ED JONES/AFP via ...