The two stuck astronauts took their first spacewalk, exiting the International Space Station almost eight months after moving ...

Much of this uncertainty is because the ocean processes that control the fate of the sheet occur on an incredibly small scale ...

For over 30 years, the A23a iceberg stayed anchored to the Antarctic Weddell Sea floor before it shrank and lost its grip on the seafloor which turned it into a massive floating fragment of ice. The ...