Add Yahoo as a preferred source to see more of our stories on Google. Planet Earth as seen from outer space. (Gettty Images) (Getty Images) The ozone layer is on track to fully recover from its ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

The concept of deadly mass extinctions wreaking destruction upon Earth's ecosystems millions of years ago is something that has fascinated the public and scientists alike for decades. A groundbreaking ...

Unlike the oxygen molecules present in the atmosphere, which are composed of two oxygen atoms bound together, ozone is made up of three oxygen atoms. This chemical structure grants ozone some unique ...

Tokyo, Japan: The same phenomenon that causes aurorae -- the magical curtains of green light often visible from the polar regions of the Earth -- causes mesospheric ozone layer depletion. This ...

Add Yahoo as a preferred source to see more of our stories on Google. MIT-led modeling suggests human-caused ozone depletion may have begun in 1957 in the tropical upper stratosphere. (CREDIT: ...

In 1985, scientists “accidentally” discovered a yawning hole in the ozone layer above Antarctica. Initial research suggested the problem had emerged as recently as the late 1970s, but a new analysis ...

Scientists discovered the ozone hole in 1985, but if they'd had the atmospheric monitoring capabilities of today, they could have found it 30 years earlier, according to new research. Reading time 3 ...

The ozone layer is on track to fully recover from its depletion within the next four decades, a panel of scientists gathered by the United Nations said on Monday. In an assessment conducted every four ...