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LOS ANGELES - NASA has formally retired its Mars InSight lander, the first robotic probe specially designed to study the deep interior of a distant world, four years after it arrived on the surface of ...

NASA scientists have uncovered an unexpected presence inside Mars, a solid mass around 373 miles in size. This finding has been explained in detail within the journal Nature. The data on which these ...

MARS -- NASA released images on Monday showing what scientists are calling a "monster earthquake" on Mars. The agency says the quake shook the planet Mars on May 4, the 1,222nd Martian day, or sol, of ...

A NASA spacecraft designed to drill down into Mars' interior landed on the planet Monday after a perilous, supersonic plunge through its red skies, setting off jubilation among scientists who had ...

Scientists have discovered that Mars has an interior structure similar to Earth’s. Results from Nasa’s Insight mission suggest that the red planet has a solid inner core surrounded by a liquid outer ...