Close NASA astronaut shares experiences in East TN March 10, 2017: NASA Astronaut Sunita Williams wants Knoxville women to know the sky isn't the limit when there's plenty of space left to explore. WBIR 7:08 PM. EST March 10, 2017 TRENDING VIDEOS WBIR Breaking News UT breaks the world record for largest human letter UT vet school performs first bear transfusion Remembering Coach Ken Sparks Convicts write letters in Lillelid murders Church bus crash kills 13 people Lt. Colonel rescues injured bald eagle Zoo Knoxville receives $5 million donation KPD: Gang violence declining in Knoxville A stranger emailed me a warning about blood clots. Days later, my friend died from one. More Stories KPD: Gang violence declining in Knoxville Mar 29, 2017, 7:13 p.m. McMinn County deputies honored for bravery in tornado Mar 29, 2017, 11:29 p.m. TN National Guardsman rescues bald eagle with broken wing Mar 29, 2017, 10:45 p.m.