As Mars approaches opposition this month, it will become a dazzling spectacle in the night sky. See it at its best now, or ...

The ground on Mars is full of nitrogen, a vital component for planet life, raising hopes that it might be more hospitable ...

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

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

Everything you need to know about the full “Wolf Moon,” including exactly when, where and how to see it at its best from ...

NASA has arrived at two ways of returning samples collected on Mars to Earth. Now, the agency will test the options to see if ...

On Jan. 13, bright Mars will disappear behind the full moon for several hours. It's the only lunar occultation of Mars ...

The Perseverance rover has been collecting Martian rock samples since 2021, but NASA is still figuring out how to bring them ...

NASA hopes a revised plan will get Mars samples back to Earth faster and cost less than the agency's original plan.

The Mars Sample Return mission has been ranked as the highest priority by planetary scientists, who hope to find signs of ...

NASA last year asked industry and others to come up with better options to ensure the samples arrive on Earth in the 2030s.

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