He's also covered the Coronavirus outbreak and the search for a COVID vaccine;[4] NASA's return to crewed missions with SpaceX; the 2018–2019 government shutdown; the Philadelphia train derailment that killed 8; the 2017 Unite the Right rally that turned violent in Charlottesville, VA;[5] and the deliberate crash of a Germanwings plane in France.
[10][11] On April 29, 2023, Dr. Tom Costello received an honorary doctor of letters degree from Capitol Technology University in Laurel, Maryland.
From 1996 to 1999, he reported from London for both CNBC and NBC News, covering Europe's economic union and the death of Princess Diana, among many stories.
NBC's coverage of the Miracle on the Hudson in 2009 was honored with a prestigious Sigma Delta Chi Award from the Society of Professional Journalists.
His assignments have taken him around the world – from terrorist bombings in London and Madrid, to the Korean DMZ, across the Persian Gulf, Russia, Kazakhstan, Japan, Central America, Eastern and Western Europe.