Geologically, Mars is very reminiscent of the moon. But it also looks a lot like the Earth. It all depends on who you ask.

A switch to Mars would impact programs such as the moon-focused Space Launch System, a multibillion-dollar rocket that ...

"Springtime on Earth has lots of trickling as water ice gradually melts. But on Mars, everything happens with a bang," Serina ...

NASA unveils a groundbreaking approach to bring Martian rock samples back to Earth by 2026, introducing competition between ...

Ever since the discovery of methane on Mars, scientists have wondered if the Red Planet might harbor life. Now, researchers ...

NASA announced Tuesday that it is exploring two options to move forward with its mission to return samples from Mars at a ...

The ground on Mars is full of nitrogen, a vital component for planet life, raising hopes that it might be more hospitable than it appears — but Martian soil is also dense and clay-like, the ...

Space agency says it needs one more year to decide whether its own hardware or a contractor’s will return Martian samples to ...

NASA sees two paths for saving its beleaguered plan to retrieve materials from the Red Planet but won’t choose between them ...

From arachnid-like formations and mysterious blobs to an underground ocean and a giant volcano, here are our 10 favorite ...