The focus of future U.S. missions to the moon may soon shift from research to commerce. Meanwhile, European scientists have discovered the closest black hole to our solar system. VOA's Arash Arabasadi explores This Week in Space.
The focus of future U.S. missions to the moon may soon shift from research to commerce. Meanwhile, European scientists have discovered the closest black hole to our solar system. VOA's Arash Arabasadi explores This Week in Space.
