Planet nurseries, violent star births and the color of the universe are the talk of this week's American Astronomical Society meeting. NPR's Richard Harris reports for All Things Considered.
The 85-year-old California Democrat's departure will mark the end of an era in Congress. In 2007, Pelosi became the first woman elected to serve as U.S. House speaker.
Democrats won big in key elections this week. But rather than provide clarity, those victories have sent competing signals to lawmakers in the Senate about how to end the ongoing government shutdown.