Thousands of flights have been canceled ahead of the July Fourth holiday weekend, WNBA player Brittney Griner appears in a Russian court as her trial begins, and firefighters continue to battle a blaze near Peru’s Machu Picchu.  » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection of innovative and powerful news …

#ABCNews #ukraine Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: Tweets by ABC GOOD MORNING AMERICA’S HOMEPAGE: https://www.goodmorningamerica.com/ Original source (ABC/Youtube)

NASA scientists are looking into a way to grow plants in space to make long-term space travel sustainable. NBC News’ Joshua Johnson reports on how research partners at the University of Florida are growing plants in soil from the moon in an unprecedented experiment.  » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is …