More than 13,000 feet below the surface of the Pacific Ocean, a more-than-70-ton machine trundled like a tank on its caterpillar tracks for a tenth of a mile—sucking up potato-sized nodules of rock packed with copper, manganese, cobalt, and nickel. It was 2022, and that pilot run of a subsea harvester by a Canadian business, The Metals Company, was pronounced a success.

Last summer, a group of officials from the Department of Energy gathered at the Idaho National Laboratory, a sprawling 890-square-mile complex in the eastern desert of Idaho where the US government built its first rudimentary nuclear power plant in 1951 and continues to test cutting-edge technology.

On the agenda that day: the future of nuclear energy in the Trump era....

On Frida, a jury in California determined that Elon Musk had misled investors in Twitter via public statements that depressed the price of the company's stock ahead of his ultimately successful purc...

The Federal Communications Commission yesterday approved Nexstar Media Group's $6.2 billion purchase of Tegna, granting a waiver that lets the broadcast giant go way past the national limit on station ownership.

Nexstar said it

Three years after saying it had stopped buying location data of Americans without a warrant, the FBI acknowledged it has restarted the purchases. During questioning at a Senate Select Committee on Intelligence hearing yesterday, FBI Direct...