NASA's beleaguered Mars Sample Return program currently faces extreme costs of up to $11 billion and a timeline that could reach 2040. The year 2025 isn't even a week old and NASA is already ...

Trump’s pledge to go to Mars without mentioning the moon has caused some head-scratching and even consternation in the media.

The Perseverance rover is building up a stash of rocks on Mars that could contain the first-ever signs of alien life, but NASA is scrambling to figure out how it will bring them back to Earth for ...

NASA is working on a groundbreaking nuclear electric propulsion system that could dramatically speed up trips to Mars. The ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two new potential ...

For more than a year, scientists and aerospace engineers have been awaiting NASA’s decision on how to rescue the troubled Mars Sample Return mission, which aspires to bring Martian rocks and ...

The Mars Sample Return effort was billions of dollars over budget and not expected to return to Earth with its samples until 2040. By Kenneth Chang Last year, Kenneth Chang wrote about a Martian ...

NASA has two options for bringing rock and sediment samples from Mars to Earth, but will let the incoming Trump administration decide which course to take. An independent review board found that ...

NASA's Perseverance rover collected samples from Mars and stored them in tubes. NASA/JPL-Caltech/MSSS NASA’s Perseverance rover has been hard at work on Mars, collecting pieces of rock and ...

NASA's mission is to return rock, soil and others samples to Earth for study. NASA announced Tuesday that it's exploring two landing options to move forward with its mission to retrieve ...

NASA will investigate two new approaches to bring its Mars samples to Earth through a mission proposal that is less expensive and technically complicated. Either change in the mission's design ...