Ralph Hall: “Congress' tolerance for these types of overruns has run out.”

If our Nation is going to ask crews to explore space, it is our responsibility to do everything possible to ensure that those astronauts return to Earth safely.

I certainly look forward to your leadership on this because it is imperative that EPA's regulatory science be judged by truly independent experts.

can you tell us anywhere in the United States where fracking has ruined one glass of drinking water. Each of the Administration witnesses said no, all four of them.

Advancing threat detection technologies is one of the many ways research and development contributes to keeping America secure.