NASA is working on reducing the estimated cost for the "Journey to Mars" mission.
Orbital ATK's Cygnus spacecraft will send cargo to the International Space Station.
NASA to livestream 4K videos from space at the NAB panel this April.
Three astronauts aboard Soyuz MS-02 returned to Earth after 173 days from the International Space Station.
Peggy Whitson takes over the command of the ISS for the second time in her career.
NASA scientists and congress members are debating the fate of ISS after 2024.
A teenager from the U.K. recently contacted NASA scientists to point out an error in their own data set.
After the successful delivery of supplies by SpaceX, another space agency also successfully brought a cargo to the ISS.
Despite the delays, the Dragon capsule successfully delivered the supplies to the ISS.
Space researchers across the world are devising effective methods to safeguard astronauts in space from high-energy radiations.
Here is a list of the seven biggest things humans have sent to space.