Earth Observation
South Ozone Hole Returns
The ozone hole above the South Pole has returned, and it's on track to be one of the biggest on…
Earth’s Core Rotates Faster Than Its Crust
According to new research from geologists, the Earth's core rotates just a little bit faster - about 1 degree per…
Earth’s Climate During the Permian Extinction
Around 251 million years ago, something happened to the Earth's climate that wiped out 90-95% of marine life and 70%…
Future Ice Free Summers in the Arctic
Climate scientists are predicting that the Arctic Ocean could be completely free of ice during the summer within 100 years…
Sea Ice May Be Increasing in the Antarctic
A new NASA-funded study has discovered that sea ice in the Antarctic might actually be on the increase as global…
Micro Vortices Seen in the Earth’s Magnetosphere
The European Space Agency's Cluster fleet of spacecraft have identified micro-vortices in the Earth's magnetosphere. These small vortices were predicted…
Delays for the Earth’s Oxygen Atmosphere
Our planet gained its nice, oxygen-rich atmosphere about 2.4 billion years ago thanks to early bacteria. One question that has…
Messenger Swoops Past the Earth
NASA's Messenger spacecraft made a successful Earth flyby this week, getting a gravity boost that will propel it into the…
Super Climate Simulation Models Oceans, Ice, Land and Atmosphere
Scientists from NASA, MIT and other institutions have developed a comprehensive simulation of the Earth's climate that accurately models ocean,…
New Revelations About the Planet Under Your Feet
One of the most mysterious places in the Solar System is right underneath your feet: the interior workings of the…