https://www.vice.com/en_us/article/v7g4gd/listen-to-the-supreme-court-live-stream-its-oral-arguments-for-the-first-time-ever

For the first time in history, you can listen in on the Supreme Court oral arguments live, as justices call in from their homes, where they're working until further notice due to coronavirus social distancing practices.

Normally, the Supreme Court of the United States makes audio of the arguments available online on Fridays, but now, the arguments will be available to stream online, as they happen. The live streams will go on for the first two weeks in May.