A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them ...

An exploding budget and an unraveling schedule spell disappointment for NASA's mission to learn more about Mars's history.

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

Dozens of samples of rock and sediment collected from Mars that could be used to detect ancient microbial life could be ...

NASA will explore two different strategies for fetching Mars rocks collected by the Perseverance rover, and there's a chance ...

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

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 ...

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

Mars will vanish behind January's full Wolf Moon tonight during an occultation event visible across North America.

A planet parade like the one beginning tonight is quite uncommon, occurring once every 10-20 years. Here are the planets you ...

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

The Mars Sample Return effort was billions of dollars over budget and not expected to return to Earth with its samples until 2040.