"These finding have implications for planetary protection policies for future landed spacecraft," according to the Nature Geoscience report. "Cl-bearing brines are very corrosive and this may have implications on spacecraft design and surface operations."

Despite tensions, U.S. and Russia are still cooperating in civil space. Now it’s time to bring China into the fold.

The company is striving to keep average cost of a new Vulcan rocket under $100 million as it preps for competition against SpaceX.

Asteroid-mission development will shape human/machine teaming for exploration.

Preparations are underway to begin testing a small-sat launcher dubbed Electron that would use the turbomachinery and other innovations to hold the cost per mission below $5 million.

The flight of Apollo 13 in April 1970 was one of the most dramatic events in the history of human spaceflight –- and ultimately one of NASA’s finest hours. For three days, the lives of three astronauts who had been bound for the third lunar landing mission hung in the balance.

The U.S. Air Force claims the new LISC deal could save up to $1.8 billion over 10 years, although skeptics question how.

Ahead of next week's Space Symposium in Colorado Springs, our editors discuss the latest on an American-built engine to send U.S. national security assets to space, competition between ULA and Space X, the state of U.S.-Russian relations and more.