Pamela Melroy, former Deputy Administrator of NASA, talks about the importance of NASA to U.S. interests amid concerns about proposed budget cuts.

Prolonged and severe malnutrition is permanently damaging the health of children across Gaza. Doctors warn even if Israel lets in more food now, the damage to children's bodies can be irreversible.

Journalist Art Silverman has an appreciation of the world's most influential, part-time musical-satirist. Tom Lehrer made people laugh by singing about politics, nuclear destruction and social harmony ...