A collection of Martian rocks could reveal details about potential past life on the Red Planet – but first NASA has to get them back to Earth.

In a letter to his replacement, outgoing NASA leader Bill Nelson emphasizes the agency’s activities ‘transcend the length of ...

NASA’s Perseverance rover has collected a sample from Mars that has textures “unlike anything we’ve ever seen before.” Known ...

But NASA administrator Bill Nelson said such failures are necessary ... when the planets' orbits will next align. (Earth/Mars "transfer windows," as such periods are known, occur every 26 months.) ...

NASA's remarkable new sample from Mars will help scientists get a better understanding of the planet's history and whether it ...

The Perseverance rover is building up a stash of rocks on Mars that could contain the first ... in the words of the agency's administrator, Bill Nelson. After a series of delays, the cost ...

Dozens of samples of rock and sediment collected from Mars that could be used to detect ancient microbial life could be returned to Earth as soon as 2035 and as late as 2039, depending on the course ...

Bill Nelson has stepped down as NASA administrator ... President Trump wants astronauts to raise the American flag on Mars In 1990, Nelson tried to become the Democratic nominee in the Florida ...

NASA has two options for bringing rock and sediment samples from Mars to Earth ... NASA Administrator Bill Nelson said Tuesday: It can either leverage existing technology into a simpler, cheaper ...

BILL NELSON HAS SERVED AS NASA ADMINISTRATOR FOR ... "America is leading humanity back to the Moon, onward to Mars, and into a golden age of space exploration," Nelson wrote, highlighting ...

During a Jan. 7 press conference, NASA Administrator Bill Nelson conceded that costs have ... to fly the long-awaited mission to collect the Mars rover’s sample tubes. “As that plan had ...

Earlier this month, outgoing NASA Administrator Bill Nelson and other agency officials presented two possible plans for the mission, known as Mars Sample Return, for the incoming administration.