Live coverage: International Space Station crew lands in Kazakhstan

The Centaur upper stage launching the Cygnus space freighter Tuesday persevered through a velocity shortfall from the first stage of the Atlas 5 rocket, improvising with a longer firing to reach the correct orbit.

NASA is aiming to make a determination about the path forward for Mars Sample Return by the end of March 2024.

SpaceX has filed a protest challenging a nearly $150 million NASA contract awarded to United Launch Alliance last month to send a robotic asteroid probe into space.