Lindell, of "MyPillow," plays up his ties to Trump, who endorsed him for Tuesday's primary. But the state Republican convention backed one of his opponents.

When Alaska Airlines wanted to optimize its operations, it turned to a small startup called Air Space Intelligence. Now the FAA has hired the company for a major reboot of the entire U.S. airspace.

The military plans to start screening service members for low testosterone, and social media is overflowing with claims about testosterone therapy. But who actually needs it?

Ukraine has targeted Russian oil facilities with long-range drones almost daily in recent months. The barrage has caused fuel shortages in Russia and unsettled the Russian public.

A new generation of small nuclear reactors is poised to come online in the next few years. Public opinion remains split.