NPR

Wait, Wait... Don't Tell Me! plays a game called, "The Album's OK, but $5 Million Will Make It Even Better:" three questions about the long-awaited, and long-delayed Guns and Roses album, Chinese Democracy.

Is there water on Mars? And, if so, where is it?

Interview on WNYC's Brian Lehrer Show about life, the Universe, and everything.

It's been 37 years since the last man was on the moon, and now, NASA says, we're going back. The U.S. space agency will send astronauts to the moon as soon as 2019.

Reflections on Hosting PBS NOVA scienceNOW on the WNYC's Leonard Lopate Show.

Discussion on WNYC's Radio Lab about the universe, and the Copernican Principle, which says, if you think it's all about you then you are probably wrong.

Two NASA satellites and the European Space Agency's Venus Express have set out to find clues that will aid scientists' understanding of climate change on Earth.

Water-spewing geysers may mean there’s life on one of Saturn’s moons, and how proposed budget cuts could affect the search for life and other space science programs.

Discussion of the history of attributing scientific gaps to a higher being, and the notion of intelligent design as "a philosophy of ignorance" that has no place in science.

A listener writes in about the etymology of the name "Xena," while Arabic contributions to astronomy are discussed.