The Vredefort impact in South Africa, caused by a massive 25 km-wide asteroid, is the largest known impact structure on Earth, originally spanning 280 km. This event occurred about 2 billion years ago, long before the dinosaurs, and left a crater much larger than the one from the asteroid that killed the non-avian dinosaurs.
Related Posts
Orphaned Elephants in Botswana Help Unlock the Secrets of Mammoth Hybrids
US biotech startup Colossal is pursuing an ambitious mission to revive the extinct woolly mammoth, which hasn’t walked…
July 31, 2023
Invisible “Monster” Black Hole Racing Through Space Leaves 200,000-Light-Year-Long Trail of Newborn Stars
NASA‘s Hubble Space Telescope has captured an unusual trail of newborn stars left by a supermassive black hole…
April 25, 2023
Study Finds Atmospheric Rivers Can Slow Greenland Ice Loss by Bringing Snow
At a Glance A new study has found that atmospheric rivers (ARs) can have both positive and negative…
March 11, 2025
New Data from James Webb Space Telescope Settles Disagreement on Universe’s Expansion Rate
New Webb data finds that the universe’s expansion rate matches earlier predictions, easing tensions over conflicting measurements and reinforcing the current Standard Model of cosmology.
June 10, 2025
