NASA is preparing to lock four people inside a simulated Martian outpost for more than a year. Yes, you heard that correctly. This is a very bold step that aims to mimic the challenges astronauts ...

NASA's CHAPEA mission was a 378-day Mars simulation in a habitat in Houston. Scientists want to know what challenges astronauts will face on Mars, including extreme isolation. Crew member Ross ...

The sandbox portion of the Crew Health and Performance Analog, where research volunteers participate in simulated walks on the surface of Mars. Credit: NASA HOUSTON—NASA has selected four ...

Water is the essence of life. When scientists discovered permafrost ice caps on Mars’ north pole in 1976, the news immediately sparked speculation about potential life on the red planet. The later ...

Hera will also image Mars's larger moon Phobos as it begins to move away from Mars. In this sped-up simulation, Deimos is seen 30 seconds in, at 12:07 GMT, while the more distant star-like ...