Geoff Brumfiel

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Updated at 6:55 p.m. ET

NASA astronauts are heading to space from U.S. soil for the first time in nine years, aboard SpaceX's Dragon capsule, the maiden crewed flight of the innovative spacecraft.

The mission, which is sending Doug Hurley and Bob Behnken to the International Space Station, is a bold new venture for the space agency's plan to allow commercial companies to take its astronauts into low-Earth orbit.

Copyright 2020 NPR. To see more, visit https://www.npr.org.

MARY LOUISE KELLY, HOST:

If you want to visit the Great Pyramids or the Great Wall or the Taj Mahal, forget it.

Egypt, China and India are just a few of the dozens of countries that have imposed strict travel restrictions to keep visitors, and the coronavirus, out. An analysis by NPR based on data from the International Air Transport Association found that more than three-quarters of the world's nations and territories have suspended travel from at least one other place.

Virus researchers say there is virtually no chance that the new coronavirus was released as result of a laboratory accident in China or anywhere else.

The assessment, made by more than half-a-dozen scientists familiar with lab accidents and how research on coronaviruses is conducted, casts doubt on recent claims that a mistake may have unleashed the coronavirus on the world.

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