Fred Rogers was one of the most recognizable and reassuring TV personalities ever. NPR's Scott Simon remembers the life and work of Mr. Rogers, who died Thursday at age 74 in his hometown of Pittsburgh.
http://www.npr.org/templates/story/story.php?storyId=1179531&sc=17&f=
This high-speed star is whipping around the black hole in the middle of our
galaxy
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Researchers have identified a speed demon at the heart of the Milky Way.
This fast-moving star may yield insights into the black hole parked at the
center ...
22 minutes ago
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