Snowball Earth events linked to drastic drop in Sun’s radiation

Snowball Earth events linked to drastic drop in Sun’s radiation

Scientists from the Massachusetts Institute of Technology (MIT) suggest that Snowball Earth– a hypothesis proposing that the planet's surface became entirely frozen at least twice 700 million years ago– might be linked to dramatic plunges in the amount of…

Antarctica and North America were connected more than a billion years ago

Antarctica and North America were connected more than a billion years ago

An international team of scientists found that the combination of lead isotopes in rocks peeking out of the Antarctic ice is the same as in rocks from a rift that cuts across the United States. Remote Antarctic rocks hold strong new evidence that parts of Antarctica