Until now, the oldest continuous ice cores dated back about 800,000 years. The COLDEX team has now extended that record roughly sixfold, reaching into a deep past when Antarctica’s climate was undergoing dramatic…
The last time someone photographed the exosphere, the outermost layer of Earth’s atmosphere separating it from outer space, was in the 1970s from the surface of the Moon.
This is a problem for two reasons, said Brian Walsh,…







