Mars is a harsh, dusty world where fine, electrostatically charged particles shape both its landscape and the fate of robotic ...

Scientists have traced ancient Martian shorelines inside a giant canyon, revealing where a vast ocean once stood and why ...

Exploration advocates are pushing back against the planned cancellation of NASA's Mars sample return project, saying it could ...

The first emergency operation in the history of China's human spaceflight program ended on Jan. 19 when an uncrewed Shenzhou ...

NASA ordered its first-ever medical evacuation from space for Crew-11. Find out why the mission ended early and what happens ...

Suni Williams' retirement renews focus on astronaut health, long missions, and the limits of human spaceflight.

NASA astronaut Suni Williams has retired after 27 years of service and a career defined by endurance, leadership, and firsts in space. She spent 608 days in orbit, completed nine spacewalks, and twice ...

Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...

A “natural history” approach to space exploration would take into account instead developments in the fields of physics, ...

Several other threatened programs may now have a better chance of staying funded, but the move indefinitely postpones our ...

Suni Williams logged 608 days in space, ranking her second on the list of cumulative time in space by a NASA astronaut.  | ...

The earth (and humanity) would be very different without our smaller red neighbor. In A Nutshell Computer simulations show ...