The stunning echo of 800-year-old explosion

In the year 1181 a rare supernova explosion appeared in the night sky, staying visible for 185 consecutive days. Historical records show that the supernova looked like a temporary "star" in the constellation Cassiopeia shining ...

Corporations use government grants to lighten debt load

Local and state governments have a variety of tools at their disposal to attract businesses or entice them to stay. One is tax relief. Austin, for example, helped lure electric automaker Tesla in part with property tax rebates ...