As New Horizons closes in on Pluto, Charon, the largest moon in the dwarf planet's system, is now emerging as its own world, NASA officials say.
NASA hopes to launch the first manned commercial space flight by 2017.
As people continue to celebrate Shark Week, a group has launched a historic international survey to breathe new life into the field of shark conservation.
A new video released by NASA shows images taken by the rover Opportunity between January 2004 and April 2015, covering a total distance of 26.2 miles.
NASA's NuSTAR telescope has spotted five previously undetected supermassive black holes, millions more could be lying in wait.