Europa, Jupiter's moon, has water that may support life. The only problem is it's buried under a thick layer of ice.
Nitrous oxide, commonly known as laughing gas, is reaching dangerously high levels in the atmosphere due to global warming.
Scientists discover thriving ecosystem underneath Antarctica's ice sheet.
We're finally starting to see positive results from environmental efforts to protect the Ozone Layer.
Thanks to human ingenuity, things get even more bitterly cold!
Antarctica takes the cake for coldest place on Earth.
Russian scientists are eagerly waiting to explore Lake Vostok in Antarctica.
How can an organism survive in Antarctica? What is a cryptoendolith?
Did you know that there are huge, hidden lakes beneath the Antarctic ice sheets? Learn more on this Moment of Science.
If you ever visit the Arctic, you might see some really cool, luminescent clouds high up in the atmosphere. Scientists call them night shining clouds.