Katie Bouman: Scientist speaks about 'super cool' black hole image
Computer scientist Katie Bouman is part of the team behind the first-ever image of a black hole.
SpaceX: Dragon capsule splashes down after ISS mission
SpaceX's capsule has splashed down after a week-long test mission to the International Space Station.
Moment SpaceX Dragon capsule undocks from ISS
The unmanned commercial test vehicle will splash down in the Atlantic Ocean on Friday afternoon.