Erin Burnett uses a whiteboard to display why the math isn't adding up on President Donald Trump's proposed solution.

String theory unifies all the forces of nature. Forces that seem very different, such as gravity and electricity, are deeply ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Scientists across all fields make various types of claims about their innovations. Validity tests check whether they deliver ...