It's been 60,000 years since Mars was this close to earth. Commentator Andrew Chaikin gives NPR's Renee Montagne tips on how to get a good view of the red planet.
Nina Badzin, host of a friendship podcast, explains why staying friends with people from our past matters — and how to nurture relationships with old friends across time and distance.
The U.S. has officially accepted a luxury jetliner from Qatar as a gift, and slated it to become a new Air Force One. Experts say that overhaul could take years and cost hundreds of millions.