After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the interplanetary environment for two more years. But by the end of 1967, the spacecraft ...

Mariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of ...

The new test proved the capability of a new propellant that will enhance the rocket's performance, making a sample return mission from Mars increasingly viable.

With Trump’s new budget cutting NASA science programs, the Mars Sample Return mission could be replaced by a private-sector ...

NASA’s Mars Sample Return Mission may cost up to $11 billion, risking c Lockheed Martin proposes a reduced-cost plan using InSight lander techn Rocket Lab also offered a budget-friendly MSR proposal i ...

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. As ...

On June 19, the six-wheeled explorer officially completed the longest day trip of any robot vehicle on another planet. In a ...

Sixty years ago today, NASA’s Mariner 4 spacecraft took the first up-close images of Mars, changing humanity's understanding ...

NASA’s Perseverance Mars rover has collected its first sample of rock for return to Earth, part of its mission to finally reveal whether the red planet ever hosted life.

NASA spending measures are tucked inside the bill that can best be described as ugly, or at the very least ill-advised.

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.