The Doomsday Clock has been used to examine the world’s vulnerability to global catastrophe for nearly a century.

You can stop a clock from ticking, but it's a lot harder to figure out how to stop humanity's relentless march toward self-annihilation.

Trump has sought a nuclear deal with Russia and China for years. He could get one this time—but only if he does it the right ...

President Trump has appointed Chris Rocheleau as the acting FAA administrator following a tragic aircraft collision near Washington, D.C. Rocheleau, with over two decades of experience at the FAA ...