The billionaire tech entrepreneur and Elon Musk ally fielded questions about his explosive “Project Athena” plan for the space agency.

NASA has unveiled a series of new discoveries that make the possibility of alien life elsewhere in the universe more ...

"Last time I sat before you, I introduced myself, my qualifications, and the challenges and opportunities ahead," Jared ...

A late-November cold snap sent temperatures in Minneapolis so low that, for a short time, it was actually colder than Mars, ...