The new electric-drive Komatsu PC9000-12 is the largest excavator in the brand's storied history, moving 80 tons of earth per ...

Add Yahoo as a preferred source to see more of our stories on Google. A selection of active galaxies with supermassive black holes at their centers, illustrating the variety of shapes that can result ...

The Energy Department on Wednesday announced it would dole out its largest-ever loan, lending $26.5 billion for electric power in Georgia and Alabama. The loan, to subsidiaries of the utility Southern ...

The war has raised the risk of fuel shortages and price surges — Paul ELLIS The International Energy Agency said on Wednesday its member countries would unlock 400 million barrels of oil from their ...