Related topics: mars

Newly discovered carbon may yield clues to ancient Mars

NASA's Curiosity rover landed on Mars on Aug. 6, 2012, and since then has roamed Gale Crater taking samples and sending the results back home for researchers to interpret. Analysis of carbon isotopes in sediment samples taken ...

Scientists turn back time to track methane emissions on Mars

NASA's Curiosity rover landed on Mars in August 2012, and its investigations revealed that Mars was once a potentially habitable planet. One of Curiosity's most exciting observations has been periodic, unusually high abundances ...

Machine learning algorithms help scientists explore Mars

NASA's Curiosity rover has been exploring the Red Planet's surface for nearly a decade, with its main mission being to determine whether Mars was once habitable. While the rover's investigations have indeed confirmed that ...

Best of last year: The top Phys.org articles of 2021

2021 was a good year for research of all kinds. The strongest coronal mass ejection in years made headlines this past May, prompting experts around the world to urge world leaders to take it as a warning. Future storms, many ...

Two versions of a Curiosity selfie: narrow and wide

NASA's Curiosity Mars rover took this 360-degree selfie using the Mars Hand Lens Imager, or MAHLI, at the end of its robotic arm. The selfie comprises 81 individual images taken on Nov. 20, 2021—the 3,303rd Martian day, ...

Buttes on Mars may serve as radiation shelters

Mars has a "bad reputation" for its high exposure to radiation and it has neither a magnetic field nor a thick atmosphere to shelter its surface from high energy particles from outer space.

ExoMars orbiter continues hunt for key signs of life on Mars

The ESA-Roscosmos Trace Gas Orbiter has set new upper limits on how much methane, ethane, ethylene and phosphine is in the martian atmosphere—four so-called 'biomarker' gases that are potential signs of life.

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