Jerry F. Costello: “But the bottom line is the bottom line, and it comes down to money.”

These contributions will save fuel and reduce noise by enabling more efficient arrivals and are evidence of how investments in research today will produce significant dividends tomorrow.

I thought it was crazy to try and design a multibillion-dollar system using taxpayers' money without involving those who, in fact, would operate the system.

I was shocked to read the reports about the racist and sexist posts on a Secret Service Facebook page used by current and former Border Patrol agents.

There is a mismatch between what we expect NASA to do and how much we fund it.