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Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure ...

While every effort is put forth before drilling begins to ensure a successful well, not every well hits hydrocarbons at a commercially productive level. Statistically, wildcat (or exploratory) wells ...

Core samples are being collected for what could be one of North America's first commercial-scale carbon capture and sequestration projects using a saline acquifer, the US Department of Energy's Fossil ...