The distance between Earth and Mars changes constantly due to their orbits, and the technology used to propel spacecraft plays a significant role in determining travel time. In this article ...

Nelson said he “pulled the plug” on the original sample return plan due to the soaring costs and the delay in getting anything back from Mars before 2040. Last year, NASA requested ideas for better ...

On Thursday 16 January at 1.17am (GMT), Mars will reach opposition. This means it will be positioned on the opposite side of the Earth from the sun, and the three will form an almost straight line ...

Earth and Mars in comparison. Mars has only about 10.7 percent of earth's mass but is roughly half ... [+] its radius. Mars remains a true puzzle, but not for the reasons most people would think.

While robotic missions have returned samples from the moon and space rocks like asteroids, a successful Mars mission would mark the first time that rocks from another planet made it back to Earth.

Ancient Mars may have been surprisingly similar to planet Earth, a NASA rover has revealed. Using the ChemCam instrument on NASA's Curiosity rover, research teams from the Los Alamos National ...

Mars may have a solid inner core within its liquid outer core, according to a new analysis of the planet’s seismic activity. This could help solve several enigmas about Martian geology – but ...

Did you know that Mars at opposition is a special time when Earth and Mars are closest? This happens when Earth passes directly between Mars and the Sun. At this point, Mars appears larger and ...

"The briefing will include NASA's efforts to complete its goals of returning scientifically selected samples from Mars to Earth while lowering cost, risk and mission complexity," NASA officials ...

Discovering that Mars once had liquid water is a game-changer for our understanding of the planet and the broader possibilities of life beyond Earth. Water is a fundamental ingredient for life as we ...

Among a "field of galaxies;" the James Webb Space Telescope captured spiral galaxy LEDA 2046648, a billion light-years from ...