The West Antarctic ice sheet could cause metres of sea level rise if it collapses – but more than 120,000 years ago, it may ...

By analyzing sulfur and volcanic ash entrained in ice cores, researchers pinpointed a caldera in the remote Kuril Islands as ...

The world's most iconic waterfalls sees millions of visitors every year - but this week they are being treated to a very rare ...

The executive branch is allowed to move money appropriated by Congress from one agency to another within a department, and ...