A warm blob of water lurking in the Pacific Ocean in 2014 and 2015 led to a spike in ozone levels across the western U.S., new research suggests.
A massive iceberg the size of Delaware is now even closer to breaking free from Antarctica, due to a widening crack in the ice shelf, scientists report.
NASA is known for its awe-inspiring missions to explore the far reaches of the cosmos, but this month, the space agency is preparing for very different kinds of rocket launches: ones to explore the mysteries of Earth's auroras.
Take a trip this holiday season to one of these festive spots around the world
A satellite image showing peculiar hexagonal clouds over the ocean area known as the Bermuda Triangle is prompting speculation about whether they may represent a recurring phenomenon responsible for decades of unexplained disappearances in the region.
Atmospheric oxygen levels have declined over the past 1 million years, although not nearly enough to trigger any major problems for life on Earth, a new study finds.