Elon Musk joined President Trump in the Oval Office, where he took questions from the media for the first time.

In the wake of three deadly plane crashes, travelers have grown anxious about future travel plans. But transportation expert Hani Mahmassani says air travel is still safe.

Seattle’s Alaskan Way Viaduct was seismically unsafe, leading to one of the city’s most ambitious projects: the Bertha tunnel. Learn how the project was planned, the challenges faced, and why the ...

American-born jihadist Anwar al-Awlaki received “full funding” to attend Colorado State University, a decade before he ...