Plus: Remembering Andrea Gibson, housing report highlights myriad issues to tackle, big names enter Colorado political races ...

Microseismic (MS) technology is one of the effective methods for engineering fracture monitoring and has been widely used in coal mining. The accurate P-phase arrivals are critical for improving the ...

Even as President Trump vows to reinvigorate America's coal industry, critics say his administration has stripped away key health protections for miners.