Morning Overview on MSN

The mysterious Tesla-style weapon some think triggered the Tunguska blast

In the summer of 1908, a blast over remote Siberia flattened trees across an area larger than some countries and lit the sky as far away as Europe. With no crater, no confirmed meteorite fragments and ...
Study Finds on MSN

Mysterious iron bar found in famous Ring Nebula leaves scientists scratching their heads

The discovery reminds us just how little we really know about our galaxy In A Nutshell The Mystery: Evidence suggests dust is ...