New evidence that an extraterrestrial collision 12,800 years ago triggered an abrupt climate change for Earth
BRAND NEW STORIES
MOST POPULAR
ContactAdvertise with AlterNetPrivacy PolicyWriter GuidelinesPress InformationAbout AlterNetMeet the AlterNet StaffDebug Logs
@2025 - AlterNet Media Inc. All Rights Reserved. - "Poynter" fonts provided by fontsempire.com.