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 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 ...

Countries that are members of the International Energy Agency (IEA) will release the largest-ever amount from their oil stockpiles to alleviate price spikes caused by the conflict in Iran. “IEA ...