Viking 1 kicked off the search for Martian life 50 years ago. Now NASA’s shifting priorities are putting the quest in limbo.

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

Mars is hiding a clutch of ruby-like crystals in its rocks, observations from the Perseverance rover suggest, and astronomers say other precious minerals, like sapphires, could exist across the Red ...

Turning Mars into a second Earth would not begin with forests, oceans, or cities. The first step would be protecting the ...

In the Arizona desert sits one of the most ambitious scientific experiments ever attempted: a $200 million facility designed ...

Millions of mysterious black streaks littered across the surface of Mars have puzzled scientists for decades, but now researchers may finally have a proper explanation. The new theory also explains ...

The US space agency has released a “pre-solicitation” for what is expected to be a hotly contested contract to develop a spacecraft to orbit Mars and relay communications from the red planet back to ...

When astronauts set foot on Mars, it will be one of humanity’s greatest milestones. These first steps will be the result of decades of research, engineering, and imagination coming together, marking ...