The lights are off, the house is quiet and nothing seems to be running. But electricity is silently flowing through the plugs in your home. This hidden drain is known as phantom energy. Also called ...

“Dark energy” is a term scientists use to refer to whatever is causing the universe to expand faster over time. We don’t know exactly what dark energy is—no one has ever directly seen or measured ...

The debate between battery-electric vehicles (EVs) and hydrogen fuel-cell vehicles (FCEVs) often sounds like a tech rivalry where only one can win. In reality, both are electric drivetrains trying to ...