Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have to use indirect evidence, like the explosions of Type Ia supernovae, to investigate the impacts of dark energy.

Dark energy, an unusual force associated with the expansion of the universe, may one day cause the cosmos to collapse, according to a new theory proposed by scientists. Over the last few months, there ...

Forbes contributors publish independent expert analyses and insights. Scott L. Montgomery is a geologist who writes about energy issues. What is an “energy transition”? You might think, given its wide ...

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