More than ever, a college diploma unlocks economic opportunity, provides students with a wealth of new skills and knowledge, and encourages innovation and growth. But more than ever, it also comes with a mountain of student loan debt.

By making college unaffordable and student loans unbearable, we risk deterring our best and brightest from pursuing higher education and securing a good-paying job.

A well-educated populace is the backbone of our middle-class.

I had hoped all of Congress would recognize that it is imperative for our health, economy, and national security that we address the effects of climate change before they get even worse.

No one who has understood even a fraction of what science has told us about the universe can fail to be in awe of both the cosmos and of science.

If it's on the Internet, then it's gotta be true.

With millions of family wage manufacturing jobs lost since 2001, we need an energy bill that takes bold action to tap into American ingenuity in order to lead the world in new clean energy technology, rather than playing catch-up to the Japanese, Danish, and Germans.

I'm reluctant to get involved in science fiction, because I feel like I've done it and done it well, so unless something comes along that I feel has the potential to do something even more interesting, it seems a shame to sort of re-live something in half-measures.