An abandoned repository of over 3.1 million cubic feet  (87,782 cubic meters) of radioactive debris left over from nuclear testing in the South Pacific is in danger of being cracked open by rising ocean levels, threatening to spill large amounts of the nuclear waste contained within—including highly-toxic plutonium—into the surroundingread more

While it has been said that Peru’s famous Nazca Lines are meant to be seen only from someone traveling through the air, researchers searching for more of the massive earthworks in the region took that saying a step further, and using satellite imagery and AI discovered 143 previously-undiscovered geoglyphs acrossread more

The average sea ice extent for the month of October was the lowest on record for that month, averaging only 5.66 million square kilometers (2.19 million square miles), beating the previous record-holder, October 2012, by nearly a quarter-million square kilometers. This was due to abnormally warm conditions across the Arcticread more