Elon Musk has always been known for his bold ideas, from electric vehicles to space exploration. But his Loop concept, a high ...

Elon Musk has worked in outer space, but now he's got a plan for underground, high-speed transportation from the airport to ...

Elon Musk's the Boring Company has its eyes set on building an underground tunnel in Nashville. Here's what to know about the ...

Looking through the windshield, the other three journalists and I saw what we'd come for — Musk's first tunnel, a 1.14-mile route built to experiment with underground transportation technology.

Over the summer, Musk vowed to build a 17-mile tunnel in Chicago from downtown to the O'Hare airport. He had Mayor Rahm Emanuel's backing on that one, which is estimated to cost $1 billion.

Elon Musk's The Boring Company plans to partner with Tennessee on a high-speed tunnel from Downtown Nashville to the ...

Elon Musk announced Sunday that the first tunnel of a proposed underground transportation network across Los Angeles County would open Dec. 10. “The first tunnel is almost done,” Musk tweeted ...

In Nashville, protests against Musk and the Trump administration have broken out during the past several months. A high-speed tunnel deep underground would connect Nashville International Airport with ...

Elon Musk suggested on Twitter that he soon plans to construct a tunnel beneath Los Angeles to alleviate traffic woes. If he's serious, digging a big hole isn't rocket science, but it's not easy.

Elon Musk arrives in a modified Tesla Model X electric vehicle on Dec. 18, 2018, during an unveiling event for The Boring Company’s Hawthorne test tunnel in Hawthorne, Calif.

Elon Musk arrives in a modified Tesla Model X electric vehicle on Dec. 18, 2018, during an unveiling event for The Boring Company’s Hawthorne test tunnel in Hawthorne, Calif.